Internet Explorer - wikipedia Internet Explorer Internet Explorer Internet Explorer 11 running on Windows 10 Original author ( s ) Thomas Reardon Developer ( s ) Microsoft Initial release August 16, 1995 ; 22 years ago ( 1995 - 08 - 16 ) Last release ( s ) Windows 11.0. 52 ( 11.192. 18920.0 ) ( February 13, 2018 ; 16 days ago ( 2018 - 02 - 13 ) ) ( ± ) Mac 5.2. 3 ( June 16, 2003 ; 14 years ago ( 2003 - 06 - 16 ) ) ( ± ) Unix 5.01 SP1 ( 2001 ; 17 years ago ( 2001 ) ) ( ± ) Development status Discontinued but still maintained Operating system Windows, Mac OS X, Solaris, HP - UX Included with Windows 95 OSR1 and later Windows NT 4 and later Mac OS 8.1 through Mac OS X 10.2 Xbox 360 Xbox One Engines Trident, Chakra Platform IA - 32, x64, ARMv7, IA - 64, MIPS, Alpha, PowerPC, 68k, SPARC, PA - RISC Available in 95 languages Type Web browser Feed reader License Proprietary, requires a Windows license Website microsoft.com/ie Standard ( s ) HTML5, CSS3, WOFF, SVG, RSS, Atom, JPEG XR Internet Explorer versions : 1 2 3 4 5 6 7 8 9 10 11 Internet Explorer ( formerly Microsoft Internet Explorer and Windows Internet Explorer, commonly abbreviated IE or MSIE ) is a series of graphical web browsers developed by Microsoft and included in the Microsoft Windows line of operating systems, starting in 1995. It was first released as part of the add - on package Plus ! for Windows 95 that year. Later versions were available as free downloads, or in service packs, and included in the original equipment manufacturer ( OEM ) service releases of Windows 95 and later versions of Windows. The browser is discontinued, but still maintained. Internet Explorer was one of the most widely used web browsers, attaining a peak of about 95 % usage share during 2002 and 2003. This came after Microsoft used bundling to win the first browser war against Netscape, which was the dominant browser in the 1990s. Its usage share has since declined with the launch of Firefox ( 2004 ) and Google Chrome ( 2008 ), and with the growing popularity of operating systems such as Android and iOS that do not run Internet Explorer. Estimates for Internet Explorer 's market share are about 3.2 % across all platforms or by StatCounter 's numbers ranked 6th, while on the only platform it 's ever had significant share ( i.e. excluding mobile, and not counting Xbox ) it 's ranked 3rd at 7.28 %, just after Firefox ( others place IE 2nd with 11.84 % just ahead of ), as of January 2018 ( browser market share is notoriously difficult to calculate ). Microsoft spent over US $100 million per year on Internet Explorer in the late 1990s, with over 1,000 people working on it by 1999. Versions of Internet Explorer for other operating systems have also been produced, including an Xbox 360 version called Internet Explorer for Xbox and for platforms Microsoft no longer supports : Internet Explorer for Mac and Internet Explorer for UNIX ( Solaris and HP - UX ), and an embedded OEM version called Pocket Internet Explorer, later rebranded Internet Explorer Mobile made for Windows Phone, Windows CE, and previously, based on Internet Explorer 7 for Windows Mobile. On March 17, 2015, Microsoft announced that Microsoft Edge would replace Internet Explorer as the default browser on its Windows 10 devices. This effectively makes Internet Explorer 11 the last release. Internet Explorer, however, remains on Windows 10 primarily for enterprise purposes. Starting January 12, 2016, only Internet Explorer 11 is supported. Support varies based on the operating system 's technical capabilities and its support lifecycle. The browser has been scrutinized throughout its development for use of third - party technology ( such as the source code of Spyglass Mosaic, used without royalty in early versions ) and security and privacy vulnerabilities, and the United States and the European Union have alleged that integration of Internet Explorer with Windows has been to the detriment of fair browser competition. Contents 1 History 1.1 Internet Explorer 1 1.2 Internet Explorer 2 -- 10 1.3 Internet Explorer 11 1.4 End of life 2 Features 2.1 Standards support 2.2 Non-standard extensions 2.3 Favicon 2.4 Usability and accessibility 2.5 Cache 2.6 Group Policy 3 Architecture 4 Extensibility 5 Security 5.1 Security vulnerabilities 5.2 Vulnerability exploited in attacks on U.S. firms 5.3 Major vulnerability across versions 6 Market adoption and usage share 6.1 Industry adoption 7 Removal 8 Impersonation by malware 9 See also 10 Notes 11 References 12 Further reading 13 External links History Main articles : History of Internet Explorer and Internet Explorer version history Internet Explorer 1 Internet Explorer 1 The Internet Explorer project was started in the summer of 1994 by Thomas Reardon, who, according to the Massachusetts Institute of Technology Review of 2003, used source code from Spyglass, Inc. Mosaic, which was an early commercial web browser with formal ties to the pioneering National Center for Supercomputing Applications ( NCSA ) Mosaic browser. In late 1994, Microsoft licensed Spyglass Mosaic for a quarterly fee plus a percentage of Microsoft 's non-Windows revenues for the software. Although bearing a name similar to NCSA Mosaic, Spyglass Mosaic had used the NCSA Mosaic source code sparingly. The first version, dubbed Microsoft Internet Explorer, made its debut on August 16, 1995. It was installed as part of the Internet Jumpstart Kit in Microsoft Plus ! for Windows 95 and Plus !. The Internet Explorer team began with about six people in early development. Internet Explorer 1.5 was released several months later for Windows NT and added support for basic table rendering. By including it free of charge on their operating system, they did not have to pay royalties to Spyglass Inc, resulting in a lawsuit and a US $ 8 million settlement on January 22, 1997. Microsoft was sued by Synet Inc. in 1996, over the trademark infringement. Internet Explorer 2 -- 10 Main articles : Internet Explorer 2, Internet Explorer 3, Internet Explorer 4, Internet Explorer 5, Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, and Internet Explorer 10 This section needs expansion. You can help by adding to it. ( January 2018 ) Internet Explorer 11 Main article : Internet Explorer 11 Internet Explorer 11 is featured in a Windows 8.1 update which was released on October 17, 2013. It includes an incomplete mechanism for syncing tabs. It is a major update to its developer tools, enhanced scaling for high DPI screens, HTML5 prerender and prefetch, hardware - accelerated JPEG decoding, closed captioning, HTML5 full screen, and is the first Internet Explorer to support WebGL and Google 's protocol SPDY ( starting at v3 ). This version of IE has features dedicated to Windows 8.1, including cryptography ( WebCrypto ), adaptive bitrate streaming ( Media Source Extensions ) and Encrypted Media Extensions. Internet Explorer 11 was made available for Windows 7 users to download on November 7, 2013, with Automatic Updates in the following weeks. Internet Explorer 11 's user agent string now identifies the agent as `` Trident '' ( the underlying layout engine ) instead of `` MSIE ''. It also announces compatibility with Gecko ( the layout engine of Firefox ). Microsoft claimed that Internet Explorer 11, running the WebKit SunSpider JavaScript Benchmark, was the fastest browser as of October 15, 2013. End of life Microsoft Edge, officially unveiled on January 21, 2015, has replaced Internet Explorer as the default browser on Windows 10. Internet Explorer is still installed in Windows 10 in order to maintain compatibility with older websites and intranet sites that require ActiveX and other Microsoft legacy web technologies. According to Microsoft, development of new features for Internet Explorer has ceased. However, it will continue to be maintained as part of the support policy for the versions of Windows with which it is included. Features Page zoom as seen in IE9 Internet Explorer has been designed to view a broad range of web pages and provide certain features within the operating system, including Microsoft Update. During the heyday of the browser wars, Internet Explorer superseded Netscape only when it caught up technologically to support the progressive features of the time. Standards support Internet Explorer, using the Trident layout engine : Supports HTML 4.01, HTML 5, CSS Level 1, Level 2 and Level 3, XML 1.0, and DOM Level 1, with minor implementation gaps. Fully supports XSLT 1.0 as well as an obsolete Microsoft dialect of XSLT often referred to as WD - xsl, which was loosely based on the December 1998 W3C Working Draft of XSL. Support for XSLT 2.0 lies in the future : semi-official Microsoft bloggers have indicated that development is underway, but no dates have been announced. Almost full conformance to CSS 2.1 has been added in the Internet Explorer 8 release. The trident rendering engine in Internet Explorer 9 in 2011, scored highest in the official W3C conformance test suite for CSS 2.1 of all major browsers. Supports XHTML in Internet Explorer 9 ( Trident version 5.0 ). Prior versions can render XHTML documents authored with HTML compatibility principles and served with a text / html MIME - type. Supports a subset of SVG in Internet Explorer 9 ( Trident version 5.0 ), excluding SMIL, SVG fonts and filters. Internet Explorer uses DOCTYPE sniffing to choose between standards mode and a `` quirks mode '' in which it deliberately mimicks nonstandard behaviours of old versions of MSIE for HTML and CSS rendering on screen ( Internet Explorer always uses standards mode for printing ). It also provides its own dialect of ECMAScript called JScript. Internet Explorer was criticised by Tim Berners - Lee for its limited support for SVG which is promoted by W3C. Nonstandard extensions Internet Explorer has introduced an array of proprietary extensions to many of the standards, including HTML, CSS, and the DOM. This has resulted in a number of web pages that appear broken in standards - compliant web browsers and has introduced the need for a `` quirks mode '' to allow for rendering improper elements meant for Internet Explorer in these other browsers. Internet Explorer has introduced a number of extensions to the DOM that have been adopted by other browsers. These include the innerHTML property, which provides access to the HTML string within an element ; the XMLHttpRequest object, which allows the sending of HTTP request and receiving of HTTP response, and may be used to perform AJAX ; and the designMode attribute of the contentDocument object, which enables rich text editing of HTML documents. Some of these functionalities were not possible until the introduction of the W3C DOM methods. Its Ruby character extension to HTML is also accepted as a module in W3C XHTML 1.1, though it is not found in all versions of W3C HTML. Microsoft submitted several other features of IE for consideration by the W3C for standardization. These include the ' behaviour ' CSS property, which connects the HTML elements with JScript behaviours ( known as HTML Components, HTC ) ; HTML + TIME profile, which adds timing and media synchronization support to HTML documents ( similar to the W3C XHTML + SMIL ), and the VML vector graphics file format. However, all were rejected, at least in their original forms ; VML was subsequently combined with PGML ( proposed by Adobe and Sun ), resulting in the W3C - approved SVG format, one of the few vector image formats being used on the web, which IE did not support until version 9. Other non-standard behaviours include : support for vertical text, but in a syntax different from W3C CSS3 candidate recommendation, support for a variety of image effects and page transitions, which are not found in W3C CSS, support for obfuscated script code, in particular JScript. Encode. Support for embedding EOT fonts in web pages. Favicon Support for favicons was first added in Internet Explorer 5. Internet Explorer supports favicons in PNG, static GIF and native Windows icon formats. In Windows Vista and later, Internet Explorer can display native Windows icons that have embedded PNG files. Usability and accessibility Internet Explorer makes use of the accessibility framework provided in Windows. Internet Explorer is also a user interface for FTP, with operations similar to that of Windows Explorer. Pop - up blocking and tabbed browsing were added respectively in Internet Explorer 6 and Internet Explorer 7. Tabbed browsing can also be added to older versions by installing MSN Search Toolbar or Yahoo Toolbar. Cache Main articles : Temporary Internet Files and Index. dat Internet Explorer caches visited content in the Temporary Internet Files folder to allow quicker access ( or offline access ) to previously visited pages. The content is indexed in a database file, known as Index. dat. Multiple Index. dat files exist which index different content -- visited content, web feeds, visited URLs, cookies, etc. Prior to IE7, clearing the cache used to clear the index but the files themselves were not reliably removed, posing a potential security and privacy risk. In IE7 and later, when the cache is cleared, the cache files are more reliably removed, and the index. dat file is overwritten with null bytes. Caching has been improved in IE9. Group Policy Main article : Group Policy Internet Explorer is fully configurable using Group Policy. Administrators of Windows Server domains ( for domain - joined computers ) or the local computer can apply and enforce a variety of settings on computers that affect the user interface ( such as disabling menu items and individual configuration options ), as well as underlying security features such as downloading of files, zone configuration, per - site settings, ActiveX control behaviour and others. Policy settings can be configured for each user and for each machine. Internet Explorer also supports Integrated Windows Authentication. Architecture The architecture of IE8. Previous versions had a similar architecture, except that both tabs and the UI were within the same process. Consequently, each browser window could have only one `` tab process ''. Internet Explorer uses a componentized architecture built on the Component Object Model ( COM ) technology. It consists of several major components, each of which is contained in a separate Dynamic - link library ( DLL ) and exposes a set of COM programming interfaces hosted by the Internet Explorer main executable, iexplore. exe : WinInet. dll is the protocol handler for HTTP, HTTPS and FTP. It handles all network communication over these protocols. URLMon. dll is responsible for MIME - type handling and download of web content, and provides a thread - safe wrapper around WinInet. dll and other protocol implementations. MSHTML. dll houses the Trident rendering engine introduced in Internet Explorer 4, which is responsible for displaying the pages on - screen and handling the Document Object Model of the web pages. MSHTML. dll parses the HTML / CSS file and creates the internal DOM tree representation of it. It also exposes a set of APIs for runtime inspection and modification of the DOM tree. The DOM tree is further processed by a layout engine which then renders the internal representation on screen. IEFrame. dll contains the user interface and window of IE in Internet Explorer 7 and above. ShDocVw. dll provides the navigation, local caching and history functionalities for the browser. BrowseUI. dll is responsible for rendering the browser user interface such as menus and toolbars. Internet Explorer does not include any native scripting functionality. Rather, MSHTML. dll exposes an API that permits a programmer to develop a scripting environment to be plugged - in and to access the DOM tree. Internet Explorer 8 includes the bindings for the Active Scripting engine, which is a part of Microsoft Windows and allows any language implemented as an Active Scripting module to be used for client - side scripting. By default, only the JScript and VBScript modules are provided ; third party implementations like ScreamingMonkey ( for ECMAScript 4 support ) can also be used. Microsoft also makes available the Microsoft Silverlight runtime ( not supported in Windows RT ) that allows CLI languages, including DLR - based dynamic languages like IronPython and IronRuby, to be used for client - side scripting. Internet Explorer 8 introduces some major architectural changes, called Loosely Coupled IE ( LCIE ). LCIE separates the main window process ( frame process ) from the processes hosting the different web applications in different tabs ( tab processes ). A frame process can create multiple tab processes, each of which can be of a different integrity level ; each tab process can host multiple web sites. The processes use asynchronous Inter-Process Communication to synchronize themselves. Generally, there will be a single frame process for all web sites. In Windows Vista with Protected Mode turned on, however, opening privileged content ( such as local HTML pages ) will create a new tab process as it will not be constrained by Protected Mode. Extensibility See also : Component Object Model and Browser Helper Object Internet Explorer exposes a set of Component Object Model ( COM ) interfaces that allows add - ons to extend the functionality of the browser. Extensibility is divided into two types : Browser extensibility and content extensibility. Browser extensibility involves adding context menu entries, toolbars, menu items or Browser Helper Objects ( BHO ). BHOs are used to extend the feature set of the browser, whereas the other extensibility options are used to expose that feature in the user interface. Content extensibility adds support for non-native content formats. It allows Internet Explorer to handle new file formats and new protocols, e.g. WebM or SPDY. In addition, web pages can integrate widgets known as ActiveX controls which run on Windows only but have vast potentials to extend the content capabilities ; Adobe Flash Player and Microsoft Silverlight are examples. Add - ons can be installed either locally, or directly by a web site. Since malicious add - ons can compromise the security of a system, Internet Explorer implements several safeguards. Internet Explorer 6 with Service Pack 2 and later feature an Add - on Manager for enabling or disabling individual add - ons, complemented by a `` No Add - Ons '' mode. Starting with Windows Vista, Internet Explorer and its BHOs run with restricted privileges and are isolated from the rest of the system. Internet Explorer 9 introduced a new component -- Add - on Performance Advisor. Add - on Performance Advisor shows a notification when one or more of installed add - ons exceed a pre-set performance threshold. The notification appears in the Notification Bar when the user launches the browser. Windows 8 and Windows RT introduce a Metro - style version of Internet Explorer that is entirely sandboxed and does not run add - ons at all. In addition, Windows RT can not download or install ActiveX controls at all ; although existing ones bundled with Windows RT still run in the traditional version of Internet Explorer. Internet Explorer itself can be hosted by other applications via a set of COM interfaces. This can be used to embed the browser functionality inside a computer program or create Internet Explorer shells. Security See also : Browser security Internet Explorer uses a zone - based security framework that groups sites based on certain conditions, including whether it is an Internet - or intranet - based site as well as a user - editable whitelist. Security restrictions are applied per zone ; all the sites in a zone are subject to the restrictions. Internet Explorer 6 SP2 onwards uses the Attachment Execution Service of Microsoft Windows to mark executable files downloaded from the Internet as being potentially unsafe. Accessing files marked as such will prompt the user to make an explicit trust decision to execute the file, as executables originating from the Internet can be potentially unsafe. This helps in preventing accidental installation of malware. Internet Explorer 7 introduced the phishing filter, that restricts access to phishing sites unless the user overrides the decision. With version 8, it also blocks access to sites known to host malware. Downloads are also checked to see if they are known to be malware - infected. In Windows Vista, Internet Explorer by default runs in what is called Protected Mode, where the privileges of the browser itself are severely restricted -- it can not make any system - wide changes. One can optionally turn this mode off but this is not recommended. This also effectively restricts the privileges of any add - ons. As a result, even if the browser or any add - on is compromised, the damage the security breach can cause is limited. Patches and updates to the browser are released periodically and made available through the Windows Update service, as well as through Automatic Updates. Although security patches continue to be released for a range of platforms, most feature additions and security infrastructure improvements are only made available on operating systems which are in Microsoft 's mainstream support phase. On December 16, 2008, Trend Micro recommended users switch to rival browsers until an emergency patch was released to fix a potential security risk which `` could allow outside users to take control of a person 's computer and steal their passwords ''. Microsoft representatives countered this recommendation, claiming that `` 0.02 % of internet sites '' were affected by the flaw. A fix for the issue was released the following day with the Security Update for Internet Explorer KB960714, on Microsoft Windows Update. In 2011, a report by Accuvant, funded by Google, rated the security ( based on sandboxing ) of Internet Explorer worse than Google Chrome but better than Mozilla Firefox. A more recent browser security white paper comparing Google Chrome, Microsoft Edge, and Internet Explorer 11 by X41 D - Sec in 2017 came to similar conclusions, also based on sandboxing and support of legacy web technologies. Security vulnerabilities See also : Comparison of web browsers § Security and vulnerabilities Internet Explorer has been subjected to many security vulnerabilities and concerns : much of the spyware, adware, and computer viruses across the Internet are made possible by exploitable bugs and flaws in the security architecture of Internet Explorer, sometimes requiring nothing more than viewing of a malicious web page in order to install themselves. This is known as a `` drive - by install ''. There are also attempts to trick the user into installing malicious software by misrepresenting the software 's true purpose in the description section of an ActiveX security alert. A number of security flaws affecting IE originated not in the browser itself, but ActiveX - based add - ons used by it. Because the add - ons have the same privilege as IE, the flaws can be as critical as browser flaws. This has led to the ActiveX - based architecture being criticized for being fault - prone. By 2005, some experts maintained that the dangers of ActiveX have been overstated and there were safeguards in place. In 2006, new techniques using automated testing found more than a hundred vulnerabilities in standard Microsoft ActiveX components. Security features introduced in Internet Explorer 7 mitigated some of these vulnerabilities. Internet Explorer in 2008, had a number of published security vulnerabilities. According to research done by security research firm Secunia, Microsoft did not respond as quickly as its competitors in fixing security holes and making patches available. The firm also reported 366 vulnerabilities in ActiveX controls, an increase from the prior year. According to an October 2010 report in The Register, researcher Chris Evans had detected a known security vulnerability which, then dating back to 2008, had not been fixed for at least 600 days. Microsoft says that it had known about this vulnerability but it was of very low severity as the victim web site must be configured in a special way for this attack to be feasible at all. In December 2010, researchers were able to bypass the `` Protected Mode '' feature in Internet Explorer. Vulnerability exploited in attacks on US firms Main article : Operation Aurora Browser Market Share Worldwide July 2017 Google Chrome Firefox Safari UC Browser Internet Explorer Opera No info In an advisory on January 14, 2010, Microsoft said that attackers targeting Google and other U.S. companies used software that exploits a security hole, which had already been patched, in Internet Explorer. The vulnerability affected Internet Explorer 6 on Windows XP and Server 2003, IE6 SP1 on Windows 2000 SP4, IE7 on Windows Vista, XP, Server 2008 and Server 2003, and IE8 on Windows 7, Vista, XP, Server 2003, and Server 2008 ( R2 ). The German government warned users against using Internet Explorer and recommended switching to an alternative web browser, due to the major security hole described above that was exploited in Internet Explorer. The Australian and French Government issued a similar warning a few days later. Major vulnerability across versions On April 26, 2014, Microsoft issued a security advisory relating to CVE - 2014 - 1776 ( use - after - free vulnerability in Microsoft Internet Explorer 6 through 11 ), a vulnerability that could allow `` remote code execution '' in Internet Explorer versions 6 to 11. On April 28, 2014, the United States Department of Homeland Security 's United States Computer Emergency Readiness Team ( US - CERT ) released an advisory stating that the vulnerability could result in `` the complete compromise '' of an affected system. US - CERT recommended reviewing Microsoft 's suggestions to mitigate an attack or using an alternate browser until the bug is fixed. The UK National Computer Emergency Response Team ( CERT - UK ) published an advisory announcing similar concerns and for users to take the additional step of ensuring their antivirus software is up - to - date. Symantec, a cyber security firm, confirmed that `` the vulnerability crashes Internet Explorer on Windows XP ''. The vulnerability was resolved on May 1, 2014, with a security update. Market adoption and usage share See also : History of Internet Explorer § Market adoption and usage share, and Usage share of web browsers Usage share of web browsers according to StatCounter Historical market share of Internet Explorer The adoption rate of Internet Explorer seems to be closely related to that of Microsoft Windows, as it is the default web browser that comes with Windows. Since the integration of Internet Explorer 2.0 with Windows 95 OSR 1 in 1996, and especially after version 4.0 's release in 1997, the adoption was greatly accelerated : from below 20 % in 1996, to about 40 % in 1998, and over 80 % in 2000. This made Microsoft the winner in the infamous ' first browser war ' against Netscape. Netscape Navigator was the dominant browser during 1995 and until 1997, but rapidly lost share to IE starting in 1998, and eventually slipped behind in 1999. The integration of IE with Windows led to a lawsuit by AOL, Netscape 's owner, accusing Microsoft of unfair competition. The infamous case was eventually won by AOL but by then it was too late, as Internet Explorer had already become the dominant browser. Internet Explorer peaked during 2002 and 2003, with about 95 % share. Its first notable competitor after beating Netscape was Firefox from Mozilla, which itself was an offshoot from Netscape. Firefox 1.0 had surpassed Internet Explorer 5 in early 2005, with Firefox 1.0 at roughly 8 percent market share. Approximate usage over time based on various usage share counters averaged for the year overall, or for the fourth quarter, or for the last month in the year depending on availability of reference. According to StatCounter Internet Explorer 's marketshare fell below 50 % in September 2010. In May 2012, it was announced that Google Chrome overtook Internet Explorer as the most used browser worldwide. Industry adoption Browser Helper Objects are also used by many search engine companies and third parties for creating add - ons that access their services, such as search engine toolbars. Because of the use of COM, it is possible to embed web - browsing functionality in third - party applications. Hence, there are a number of Internet Explorer shells, and a number of content - centric applications like RealPlayer also use Internet Explorer 's web browsing module for viewing web pages within the applications. Removal Main article : Removal of Internet Explorer While a major upgrade of Internet Explorer can be uninstalled in a traditional way if the user has saved the original application files for installation, the matter of uninstalling the version of the browser that has shipped with an operating system remains a controversial one. The idea of removing a stock install of Internet Explorer from a Windows system was proposed during the United States v. Microsoft Corp. case. One of Microsoft 's arguments during the trial was that removing Internet Explorer from Windows may result in system instability. Indeed, programs that depend on libraries installed by IE, including Windows help and support system, fail to function without IE. Before Windows Vista, it was not possible to run Windows Update without IE because the service used ActiveX technology, which no other web browser supports. Impersonation by malware The popularity of Internet Explorer has led to the appearance of malware abusing its name. On January 28, 2011, a fake Internet Explorer browser calling itself `` Internet Explorer -- Emergency Mode '' appeared. It closely resembles the real Internet Explorer, but has fewer buttons and no search bar. If a user launches any other browser such as Google Chrome, Mozilla Firefox, Opera, Safari or the real Internet Explorer, this browser will pop - up instead. It also displays a fake error message, claiming that the computer is infected with malware and Internet Explorer has entered Emergency Mode. It blocks access to legitimate sites such as Google if infected users try to access them. 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TechRepublic. CBS Interactive. Jump up ^ `` Security risk detected in Internet Explorer software ''. Belfast Telegraph. December 16, 2008. Jump up ^ `` Serious security flaw found in IE ''. BBC News. December 16, 2008. Retrieved May 5, 2010. Jump up ^ Goodin, Dan ( December 9, 2011 ). `` Chrome is the most secured browser -- new study ''. The Register. Retrieved October 15, 2012. Jump up ^ Accuvant Study Finds Chrome is Most Secure Browser, eSecurity Planet, December 13, 2011, retrieved May 22, 2012 Jump up ^ `` Browser Security White Paper '' ( PDF ). X41 - Dsec GmbH. September 18, 2017. Retrieved September 21, 2017. Jump up ^ Seltzer, Larry ( April 14, 2005 ). `` The Lame Blame of ActiveX ''. Security -- Opinions. eWeek. Retrieved April 7, 2006. Jump up ^ Lemos, Robert ( July 31, 2006 ). `` ActiveX security faces storm before calm ''. Security Focus. Retrieved July 11, 2009. Jump up ^ `` Secunia 2008 Report '' ( PDF ). Secunia. Jump up ^ Goodin, Dan ( November 1, 2010 ). `` Internet Explorer info leak festers for 2 years ''. San Francisco : The Register. Retrieved November 2, 2010. Jump up ^ Naraine, Ryan ( November 1, 2010 ). `` Two - year - old data leakage flaw still haunts Internet Explorer ''. ZDNet. CBS Interactive. Retrieved November 2, 2010. Jump up ^ `` Researchers bypass Internet Explorer Protected Mode ''. December 3, 2010. Retrieved December 4, 2010. Jump up ^ `` Top Browsers Per Country, July 2017 ''. Statcounter. 2017. Retrieved 2017 - 08 - 02. Jump up ^ Mills, Elinor ( January 14, 2010 ). `` New IE hole exploited in attacks on U.S. firms ''. CNET News. CBS Interactive. Retrieved September 26, 2010. Jump up ^ Emery, Daniel ( January 16, 2010 ). `` Germany issues Explorer warning ''. BBC News. Retrieved March 26, 2010. Jump up ^ Fildes, Jonathan ( January 18, 2010 ). `` France in fresh Explorer warning ''. BBC News. Retrieved March 26, 2010. Jump up ^ Emily Bourke for AM ( January 19, 2010 ). `` Govt issues IE security warning ''. abc.net.au. Retrieved September 26, 2010. Jump up ^ Martinez - Cabrera, Alejandro ( January 18, 2010 ). `` The Technology Chronicles : France and Germany warn users not to use Internet Explorer ''. The San Francisco Chronicle. Jump up ^ Govan, Fiona ( January 18, 2010 ). `` Germany warns against using Microsoft Internet Explorer ''. The Daily Telegraph. London. Retrieved March 26, 2010. Jump up ^ `` CVE - 2014 - 1776 ''. Common Vulnerabilities and Exposures ( CVE ). 2014 - 01 - 29. Retrieved 2017 - 05 - 16. Jump up ^ `` Microsoft Security Advisory 2963983 ''. Microsoft. April 26, 2014. Retrieved April 28, 2014. Jump up ^ Finkle, Jim ( April 28, 2014 ). `` U.S., UK advise avoiding Internet Explorer until bug fixed ''. Reuters. Retrieved April 28, 2014. Jump up ^ `` Microsoft Internet Explorer Use - After - Free Vulnerability Guidance ''. United States Computer Emergency Readiness Team. April 28, 2014. Retrieved April 28, 2014. Jump up ^ `` Vulnerability Note VU # 222929 -- Microsoft Internet Explorer use - after - free vulnerability ''. Carnegie Mellon University. April 27, 2014. Retrieved April 28, 2014. Jump up ^ `` U.S. : Stop using Internet Explorer until security holes are fixed ''. Chicago Tribune. April 28, 2014. Retrieved April 28, 2014. Jump up ^ `` Microsoft warns of Internet Explorer flaw ''. BBC. April 28, 2014. Retrieved April 28, 2014. Jump up ^ `` Microsoft Security Bulletin MS14 - 021 -- Critical Security Update for Internet Explorer ( 2965111 ) ''. Microsoft Technet. May 1, 2014. Retrieved July 6, 2014. Jump up ^ `` Market share for browsers, operating systems and search engines ''. marketshare.hitslink.com. Jump up ^ `` Market share for browsers, operating systems and search engines ''. marketshare.hitslink.com. Retrieved February 9, 2011. Jump up ^ Borland, John. Browser wars : High price, huge rewards, ZDNet, April 15, 2003. Accessed June 2, 2012. Jump up ^ `` TheCounter.com : The Full - Featured Web Counter with Graphic Reports and Detailed Information ''. Thecounter.com. Archived from the original on October 3, 2008. Retrieved October 17, 2008. Jump up ^ `` TheCounter.com : The Full - Featured Web Counter with Graphic Reports and Detailed Information ''. Thecounter.com. Archived from the original on October 2, 2008. Retrieved October 17, 2008. Jump up ^ `` CNN -- Behind the numbers : Browser market share -- October 8, 1998 ''. Cnn.com. Archived from the original on August 16, 2000. Retrieved October 17, 2008. Jump up ^ `` Web Analytics Online Business Optimization by Omniture ''. Omniture.com. Archived from the original on April 20, 2008. Retrieved October 17, 2008. Jump up ^ Goldman, David ( October 6, 2010 ). `` Internet Explorer usage falls below 50 % ''. CNN. Retrieved October 6, 2010. Jump up ^ `` IE Emergency Mode ''. im-infected.com. January 28, 2011. Archived from the original on June 30, 2011. Retrieved June 23, 2013. Jump up ^ `` Bleeping Computer -- Fake IE Emergency Mode ( by fake AVG ) ''. January 28, 2011. Retrieved June 23, 2013. Further reading `` Index DOT Html and Index DOT Css ''. Browser History : Windows Internet Explorer. Retrieved December 22, 2013. Hachamovitch, Dean ( July 27, 2005 ). `` Windows Vista & IE7 Beta 1 Available ''. IEBlog. Microsoft. Retrieved December 22, 2013. Wilson, Chris ( July 30, 2005 ). `` Standards and CSS in IE ''. IEBlog. Microsoft. Retrieved December 22, 2013. Graff, Scott ( October 7, 2006 ). `` IE7 Is Coming This Month ''. IEBlog. Microsoft. Retrieved December 22, 2013. `` IE7 Platforms And Outlook Express ''. IEBlog. Microsoft. March 1, 2005. Retrieved December 22, 2013. `` Gates Highlights Progress on Security, Outlines Next Steps for Continued Innovation ''. News Center. Microsoft. February 15, 2005. Retrieved December 22, 2013. Williams, Mary - Lynne ; MacNeil, Leslie ; Hall, Marty ( September 17, 2010 ). Hachamovitch, Dean, ed. `` User Experiences : Evolving the blue `` e '' ``. IEBlog. Microsoft. Retrieved December 22, 2013. External links Wikimedia Commons has media related to Internet Explorer. Wikinews has related news : France, Germany officials warn against using Internet Explorer Wikibooks has a book on the topic of : Internet Explorer Official website Internet Explorer Architecture IE Leak Patterns -- Microsoft 's analysis of how webpages can cause memory leaks in Internet Explorer, and how developers can prevent them Internet Explorer Versions Main 5 6 7 8 9 10 11 Other Mobile for Mac for UNIX IEs4Linux Overview History Add - ons Box model Browser Helper Object ( BHO ) Easter eggs Extensions Removal Shells Technologies Accelerator ActiveX Dynamic HTML HTA HTML Components favicon. ico HTML + TIME Index. dat JScript MHTML MSXML RSS Platform Smart tags Temporary Internet Files Vector Markup Language Web Slice WPAD XHR / XDomainRequest Software & engines Administration Kit Developer Tools Integrated Windows Authentication Tasman Trident Chakra Implementations Active Channel Active Desktop ActiveMovie Channel Definition Format (. cdf ) Comic Chat / Chat 2.0 DirectX Media Internet Mail and News Microsoft Java Virtual Machine ( MSJVM ) MSN Explorer MSN for Mac OS X NetMeeting NetShow Outlook Express Server Gated Cryptography ( SGC ) Spyglass Windows Address Book Windows Desktop Update Events First browser war Second browser war Download. ject Eolas v. 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People Tantek Çelik Thomas Reardon Dean Hachamovitch Scott Isaacs Inori Aizawa Category Commons Microsoft portal Internet portal Web browsers Comparison lightweight History List for Unix Timeline Usage share Features Ad filtering Augmented browsing Bookmarks Bookmarklet Live bookmark Smart Bookmarks Browser extension Browser security Browser synchronizer comparison Cookies Download manager Favicon Incremental search Plug - in Privacy mode Tabs Universal Edit Button Web standards Acid tests Cascading Style Sheets HTML HTML5 JavaScript MathML SVG WebGL XHTML Protocols HTTP HTTPS OCSP SPDY SSL / TLS WebSocket WPAD Related topics BrowserChoice.eu CRL iLoo Internet suite Man - in - the - browser Mobile Web Offline reader PAC Pwn2Own Rich Internet application Site - specific browser Widget World Wide Web XML Desktop Blink - based Brave Chrome Chromium Dragon Falkon Opera Sleipnir Slimjet SRWare Iron UC Browser Vivaldi Yandex Browser Sputnik SafeZone Whale Gecko - based AT&T Pogo Avant Camino Firefox Conkeror GNU IceCat IceDragon Swiftfox Swiftweasel TenFourFox Timberwolf Tor Browser Waterfox xB Browser Galeon Ghostzilla Goanna Basilisk Pale Moon K - Meleon Kazehakase Kirix Strata Lotus Symphony Lunascape Mozilla Beonex Communicator Classilla Netscape SeaMonkey Trident - based AOL Explorer Avant Deepnet Explorer GreenBrowser Internet Explorer Lunascape Maxthon MediaBrowser MenuBox NeoPlanet NetCaptor SlimBrowser SpaceTime UltraBrowser WebbIE ZAC Browser WebKit - based Arora Avant Dooble Epic Flock Fluid iCab Konqueror Lunascape Maxthon Midori OmniWeb Origyn Web Browser Otter Browser QtWeb rekonq Safari Shiira SlimBoat surf Torch Uzbl Epiphany WebPositive xombrero Text - based ELinks Emacs / W3 Line Mode Browser Links Lynx w3m Other abaco Amaya Arachne Arena Charon Dillo eww Gazelle HotJava IBM Home Page Reader IBrowse KidZui Microsoft Edge Mosaic Mothra NetPositive NetSurf Qihoo 360 Secure Browser Mobile Blink - based Android Browser Chromium Brave Chrome for Android Opera Mobile Silk Firefox Focus for Android Gecko - based Firefox for Android MicroB Minimo Waterfox WebKit - based BOLT Dolphin Browser Chrome for iOS Firefox for iOS Firefox Focus for iOS Maxthon Mercury Browser Nokia Browser for Symbian Opera Coast Rockmelt Safari Steel Other Blazer CM Browser Deepfish ibisBrowser Internet Explorer Mobile Iris Browser Konqueror Embedded Microsoft Edge NetFront Opera Mini Skweezer Skyfire Teashark ThunderHawk UC Browser Vision WinWAP Television and video game console Gecko - based Kylo Presto - based Internet Channel WebKit - based Google TV Nintendo 3DS Internet Browser Nintendo DS & DSi Browser NetFront Steam Overlay Wii U Internet Browser Other MSN TV Software no longer in development shown in italics Category Commons Internet portal Software portal Gopher A protocol for document search and retrieval on the Internet Active clients Free / open - source Arachne Classilla Conkeror ELinks Gnuzilla K - Meleon Kazehakase Line Mode Browser Lynx Mothra W3m Proprietary OmniWeb Discontinued clients Agora Amaya Arena AT&T Pogo Beonex Communicator Camino Cello Cyberjack Galeon GopherVR IBrowse Internet Explorer for Mac libwww Minimo Minuet Mosaic Mozilla Application Suite Netscape SlipKnot Songbird tkWWW UdiWWW xB Browser Previously supported Epiphany Firefox Flock Internet Explorer SeaMonkey Server software Bucktooth NetPresenz PyGopherd Squid Synchronet Search engines Jughead Veronica Wide area information server ( WAIS ) Content AllMusic CCSO Nameserver Gophermap Phlog Hosts SDF Public Access Unix System The WELL People John Goerzen Mark P. 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News360 NewsBlur Newsknowledge Netvibes Pageflakes Planet Pulse Rojo.com Prismatic Spokeo The Old Reader Tiny Tiny RSS TweetDeck WebGUI Windows Live Personalized Experience winnowTag Media aggregators Podcatcher Adobe Media Player Akregator Amarok Flock iTunes Juice MediaMonkey Miro Rhythmbox Songbird Winamp Zune RSS + BitTorrent BitLord BitTorrent 6 Deluge Miro Opera Mail qBittorrent TorrentFlux Tribler μTorrent Vuze Related articles Comparison of feed aggregators History of Media aggregation RSS enclosure Italics indicate discontinued software. Timeline of web browsers General Comparison lightweight History List for Unix Usage share 1990s WorldWideWeb ( Nexus ) 1991 Line Mode Browser libwww Erwise MacWWW ( Samba ) MidasWWW tkWWW ViolaWWW AMosaic Arena Cello Emacs / W3 Lynx 2 NCSA Mosaic VMS Mosaic AirMosaic Internet in a Box ANT Fresco Argo IBM WebExplorer SlipKnot Minuet Navipress Mosaic / Mosaic Netscape / Netscape Navigator Spyglass Mosaic TCP / Connect II 1995 Agora ALynx AMSD Ariadna Cyberjack eWorld Web Browser Grail Internet Explorer 1 Internet Explorer 2 Netscape Navigator 2 NetShark OmniWeb HotJava UdiWWW WebShark Cyberdog Arachne AWeb IBrowse Amaya Internet Explorer 3 Netscape Navigator 3 Opera 2 Oracle PowerBrowser tcpCONNECT4 Voyager Netscape Communicator Internet Explorer 4 Opera 2.1 1998 NeoPlanet Mozilla Application Suite Opera 3 -- 3.21 1999 iCab Internet Explorer 5 Omniweb 3 Opera 3.5 -- 3.62 2000s 2000 Beonex Communicator Galeon K - Meleon MediaBrowser Netscape 6 Opera 4 -- 4.02 2001 iCab 2.5 Internet Explorer 6 Omniweb 4 Opera 5 -- 5.12 2002 Avant Browser 7 Camino Epiphany Netscape 7 Opera 6 -- 6.1 2003 GreenBrowser Maxthon Opera 7 -- 7.3 Safari SlimBrowser Avant Browser 9 Phoenix / Firebird / Firefox Opera 7.5 -- 7.55 2005 AOL Explorer Deepnet Explorer Firefox 1.5 Opera 8 -- 8.54 Safari 2 2006 Avant Browser 11 Firefox 2 Internet Explorer 7 Opera 9 -- 9.27 2007 Maxthon 2 Opera 9.5 -- 9.64 Safari 3 SeaMonkey 1.1 2008 Google Chrome Firefox 3 Netscape Browser Netscape Navigator 9 NetSurf 1.2 2009 Avant Browser 11.7 Google Chrome 2 -- 3 Firefox 3.5 Internet Explorer 8 Opera 10 -- 10.63 Pale Moon Safari 4 SeaMonkey 2.0 2010s Google Chrome 4 -- 8 Firefox 3.6 Lunascape 6.0. 1 Maxthon 3 NetSurf 2.5 Opera 11 -- 11.64 Safari 5 2011 Google Chrome 9 -- 16 Firefox 4 -- 9 Internet Explorer 9 Lunascape 6.5 Opera 12 -- 12.17 SeaMonkey 2.1 -- 2.4 Waterfox 2012 Google Chrome 17 -- 23 Firefox 10 -- 17 Internet Explorer 10 Lunascape 6.7 Maxthon 3.4 NetSurf 2.9 Safari 6 2013 Google Chrome 24 -- 31 Firefox 18 -- 26 Internet Explorer 11 Opera 15 -- 18 Safari 7 SeaMonkey 2.15 -- 2.22 2014 Google Chrome 32 -- 39 Firefox 27 -- 34 Lunascape 6.9 NetSurf 3.1 Opera 19 -- 26 Safari 8 SeaMonkey 2.23 -- 2.31 2015 Google Chrome 40 -- 47 Firefox 35 -- 43 Lunascape 6.10 -- 6.12 Microsoft Edge 20, 25 Opera 27 -- 34 Safari 9 SeaMonkey 2.32 -- 2.39 Vivaldi 2016 Google Chrome 48 -- 55 Firefox 44 -- 50 Lunascape 6.13 -- 6.15 Microsoft Edge 38 Opera 35 -- 42 Safari 10 2017 Basilisk Brave Google Chrome 56 -- 63 Firefox 51 -- 57 Microsoft Edge 40 -- 41 Opera 43 -- 49 Safari 11 SeaMonkey 2.46 -- 2.49 Related topics 3D Markup Language for Web Aliweb ARPANET ASCII BITNET Browser wars CompuServe Elm Email File Transfer Protocol Gopher HTML HyperCard HyTelnet NCSA Telnet NLS Prodigy Teletext Telnet Usenet UUCP Videotex Viewdata Virtual Reality Markup Language Web page Whole Internet User 's Guide and Catalog World Wide Web X. 25 Microsoft Windows components Management tools App Installer Command Prompt Control Panel Applets Device Manager Disk Cleanup Disk Defragmenter Driver Verifier Event Viewer IExpress Management Console Netsh Performance Monitor Recovery Console Resource Monitor Settings Sysprep System Configuration System File Checker System Information System Policy Editor System Restore Task Manager Windows Error Reporting Windows Ink Windows Installer PowerShell Windows Update Windows Insider WinRE WMI Apps Alarms & Clock Calculator Calendar Camera Character Map Cortana Edge Fax and Scan Feedback Hub Get Help Groove Music Magnifier Mail Messaging Maps Media Player Movies & TV Mobility Center Money News Narrator Notepad OneDrive OneNote Paint Paint 3D People Phone Companion Photos Quick Assist Snipping Tool Speech Recognition Skype Sports Sticky Notes View 3D Store Tips Voice Recorder Wallet Weather Windows To Go Windows Story Remix WordPad Xbox Shell Action Center Aero AutoPlay AutoRun ClearType Explorer Search Indexing Service IFilter Saved search Namespace Special folder Start menu Taskbar Task View Windows Spotlight Windows XP visual styles Services Service Control Manager BITS CLFS Multimedia Class Scheduler Shadow Copy Task Scheduler Error Reporting Wireless Zero Configuration File systems CDFS DFS exFAT IFS FAT NTFS Hard link Junction point Mount Point Reparse point Symbolic link TxF EFS ReFS UDF Server Domains Active Directory DNS Group Policy Roaming user profiles Folder redirection Distributed Transaction Coordinator MSMQ Windows Media Services Rights Management Services IIS Remote Desktop Services WSUS SharePoint Network Access Protection PWS DFS Replication Remote Differential Compression Print Services for UNIX Remote Installation Services Windows Deployment Services System Resource Manager Hyper - V Server Core Architecture Architecture of Windows NT Startup process NT Vista CSRSS Desktop Window Manager Portable Executable EXE DLL Enhanced Write Filter Graphics Device Interface hal. dll I / O request packet Imaging Format Kernel Transaction Manager Library files Logical Disk Manager LSASS MinWin NTLDR Ntoskrnl. exe Object Manager Open XML Paper Specification Registry Resource Protection Security Account Manager Server Message Block Shadow Copy SMSS System Idle Process USER WHEA Win32 console Winlogon WinUSB Security Security and Maintenance BitLocker Data Execution Prevention Family Safety Kernel Patch Protection Mandatory Integrity Control Protected Media Path User Account Control User Interface Privilege Isolation Windows Defender Windows Firewall Compatibility COMMAND.COM Virtual DOS machine Windows on Windows WoW64 Windows Subsystem for Linux API Active Scripting WSH VBScript JScript COM ActiveX ActiveX Document COM Structured storage DCOM OLE OLE Automation Transaction Server DirectX. NET Framework Universal Windows Platform Windows Mixed Reality Windows Runtime WinUSB Games Solitaire Collection Discontinued Games 3D Pinball Chess Titans FreeCell Hearts InkBall Hold ' Em Purble Place Reversi Spider Solitaire Solitaire Tinker Apps ActiveMovie Anytime Upgrade Address Book Backup and Restore Cardfile CardSpace Contacts Desktop Gadgets Diagnostics DriveSpace DVD Maker Easy Transfer Fax File Manager Food & Drink Help and Support Center Health & Fitness HyperTerminal Internet Explorer Journal Media Center Meeting Space Messaging Messenger Mobile Device Center Movie Maker MSN Dial - up NetMeeting NTBackup Outlook Express Travel Photo Gallery Photo Viewer Program Manager Steps Recorder WinHelp Write Others ScanDisk File Protection Media Control Interface Next - Generation Secure Computing Base POSIX subsystem Interix Video for Windows Windows SideShow Windows Services for UNIX Windows System Assessment Tool WinFS Spun off to Microsoft Store DVD Player Hover ! Mahjong Minesweeper VIAF : 177507367 LCCN : n96018990 GND : 4438485 - 3 BNF : cb125450815 ( data ) Retrieved from `` https://en.wikipedia.org/w/index.php?title=Internet_Explorer&oldid=825795489 '' Categories : Internet Explorer 1995 software FTP clients History of the Internet News aggregator software Proprietary software Windows components Windows web browsers Computer - related introductions in 1995 Hidden categories : Wikipedia indefinitely move - protected pages Use mdy dates from April 2014 Articles containing potentially dated statements from January 2018 All articles containing potentially dated statements Articles to be expanded from January 2018 All articles to be expanded Articles using small message boxes All articles lacking reliable references Articles lacking reliable references from January 2013 All articles with unsourced statements Articles with unsourced statements from December 2011 Wikipedia articles with VIAF identifiers Wikipedia articles with LCCN identifiers Wikipedia articles with GND identifiers Wikipedia articles with BNF identifiers Articles with images not understandable by color blind users Talk Search Contents About Wikipedia Wikibooks Afrikaans Alemannisch Asturianu Avañe'ẽ Azərbaycanca বাংলা Bân - lâm - gú Беларуская Български Bosanski Català Čeština Dansk Deutsch Eesti Ελληνικά Español Esperanto Euskara فارسی Føroyskt Français Galego 客家 語 / Hak - kâ - ngî 한국어 Հայերեն हिन्दी Hornjoserbsce Hrvatski Bahasa Indonesia Ирон Íslenska Italiano עברית ქართული Kaszëbsczi Қазақша Kurdî Кыргызча Latviešu Lietuvių Magyar Македонски മലയാളം मराठी Bahasa Melayu Nederlands नेपाली 日本 語 Norsk Norsk nynorsk Occitan Oʻzbekcha / ўзбекча Polski Português Română Русский Scots Shqip සිංහල Simple English Slovenčina Slovenščina Soomaaliga کوردی Српски / srpski Srpskohrvatski / српскохрватски Suomi Svenska Tagalog தமிழ் ไทย Türkçe Українська Vepsän kel ' Tiếng Việt ייִדיש 粵語 Zazaki 中文 72 more Edit links This page was last edited on 15 February 2018, at 13 : 30. 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Question: what is the latest version of microsoft internet explorer
Answer: Internet Explorer 11