CWE
693
EPSS
0.053%
Advisory Published
CVE Published
Updated

CVE-2025-21211: Secure Boot Security Feature Bypass Vulnerability

First published: Tue Jan 14 2025(Updated: )

Secure Boot Security Feature Bypass Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2025
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2025
Microsoft Windows Server 2022 23H2
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=23H2
Windows 11=22H2
Windows 11=22H2
Windows 11=24H2
Windows 11=24H2
Windows 11=23H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10<10.0.10240.20890
Microsoft Windows 10<10.0.10240.20890
Microsoft Windows 10<10.0.14393.7699
Microsoft Windows 10<10.0.14393.7699
Microsoft Windows 10<10.0.17763.6775
Microsoft Windows 10<10.0.17763.6775
Microsoft Windows 10<10.0.19044.5371
Microsoft Windows 10<10.0.19045.5371
Windows 11<10.0.22621.4751
Windows 11<10.0.22631.4751
Windows 11<10.0.26100.2894
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016<10.0.14393.7699
Microsoft Windows Server 2019<10.0.17763.6775
Microsoft Windows Server 2022<10.0.20348.3091
Microsoft Windows Server 2022<10.0.25398.1369
Microsoft Windows Server 2025<10.0.26100.2894
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Windows 10=1809
Windows 10=1809
Windows 10=22H2
Windows 10=22H2
Windows 10=22H2
Windows 10=1607
Windows 10=1607
Windows 10=21H2
Windows 10=21H2
Windows 10=21H2
Windows 10
Windows 10

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Frequently Asked Questions

  • What is the severity of CVE-2025-21211?

    CVE-2025-21211 is classified as a security feature bypass vulnerability affecting multiple Microsoft Windows versions.

  • Which Microsoft products are affected by CVE-2025-21211?

    CVE-2025-21211 impacts various versions of Windows including Windows Server 2022, Windows 10, Windows 11, and Windows Server 2016, among others.

  • How do I fix CVE-2025-21211?

    To mitigate CVE-2025-21211, apply the latest patches released by Microsoft for your affected Windows version.

  • What are the potential consequences of CVE-2025-21211?

    Exploitation of CVE-2025-21211 could allow unauthorized access or enable malicious software to bypass security measures.

  • Is there a workaround for CVE-2025-21211 if patches cannot be applied immediately?

    Currently, there are no specific workarounds available for CVE-2025-21211; it is recommended to apply patches as soon as possible.

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