# MA-1305.042025: MyCERT Advisory - Vulnerability in WinRAR

**Date:** 06 Apr 2025  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-1305.042025  
**Advisory ID:** MA-1305.042025

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**1.0 Introduction**
Recently, WinRAR has released security updates to address a vulnerability in WinRAR product.
**2.0 Impact**
This vulnerability allows attackers to bypass the Windows Mark-of-the-Web (MotW) security feature, enabling the execution of arbitrary code without user warnings.
**3.0 Affected Products**
All WinRAR versions prior to 7.11
**4.0 Recommendations**
CyberSecurity Malaysia encourages users and administrators to review the following advisories and apply the necessary updates:
Kindly, please refer to the URL below:  <https://jvn.jp/en/jp/JVN59547048/>
Generally, CyberSecurity Malaysia advises the users of these devices 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 us through the following channels:
E-mail: cyber999[at]cybersecurity.my 
Phone: 1-300-88-2999 (monitored during business hours) 
Mobile: +60 19 2665850 (24x7 call incident reporting) 
Business Hours: Mon - Fri 08:30 -17:30 MYT 
Web: [https://www.mycert.org.my](https://www.mycert.org.my/)
**5.0    References**
- <https://jvn.jp/en/jp/JVN59547048/>
- <https://www.win-rar.com/start.html?&L=0>
- <https://nvd.nist.gov/vuln/detail/CVE-2025-31334>