# MA-802.042021: MyCERT Advisory - Microsoft March 2021 Security Updates

**Date:** 13 Apr 2021  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-802.042021  
**Advisory ID:** MA-802.042021

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**1.0 Introduction**
Microsoft has released updates to address multiple vulnerabilities in Microsoft software.
**2.0 Impact**
A remote attacker could exploit some of these vulnerabilities to take control of an affected system.
**3.0 Affected Products**
- Application Virtualization
- Azure
- Azure DevOps
- Azure Sphere
- Internet Explorer
- Microsoft ActiveX
- Microsoft Exchange Server
- Microsoft Edge (Chromium-based)
- Microsoft Graphics Component
- Microsoft Office
- Microsoft Office Excel
- Microsoft Office PowerPoint
- Microsoft Office SharePoint
- Microsoft Office Visio
- Microsoft Windows Codecs Library
- Power BI
- Role: DNS Server
- Role: Hyper-V
- Visual Studio
- Visual Studio Code
- Windows Admin Center
- Windows Container Execution Agent
- Windows DirectX
- Windows Error Reporting
- Windows Event Tracing
- Windows Extensible Firmware Interface
- Windows Folder Redirection
- Windows Installer
- Windows Media
- Windows Overlay Filter
- Windows Print Spooler Components
- Windows Projected File System Filter Driver
- Windows Registry
- Windows Remote Access API
- Windows Storage Spaces Controller
- Windows Update Assistant
- Windows Update Stack
- Windows UPnP Device Host
- Windows User Profile Service
- Windows WalletService
- Windows Win32K
**4.0 Recommendations**
Users and administrators are recommended to review the below URLs and perform the necessary update.
- <https://msrc.microsoft.com/update-guide/releaseNote/2021-Mar>
- <https://msrc.microsoft.com/update-guide>
Generally, MyCERT advises the users of these applications to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact MyCERT through the following channels:
E-mail: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Fax: +603 - 8008 7000 (Office Hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
SMS: CYBER999 REPORT EMAIL COMPLAINT to 15888
Business Hours: Mon - Fri 09:00 -18:00 MYT
Web: <https://www.mycert.org.my>
Twitter: <https://twitter.com/mycert>
Facebook: <https://www.facebook.com/mycert.org.my>
**5.0    References**
- <https://msrc.microsoft.com/update-guide/releaseNote/2021-Mar>
- <https://msrc.microsoft.com/update-guide>