Advisory Published
CVE Published
Updated

CVE-2022-21901: Windows Hyper-V Elevation of Privilege Vulnerability

First published: Tue Jan 11 2022(Updated: )

Windows Hyper-V Elevation of Privilege Vulnerability.

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 10=21H2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2019
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 10=1909
Microsoft Windows 10=1607
Microsoft Windows Server 2016
Microsoft Windows 10
Microsoft Windows Server=20H2
Microsoft Windows 10=21H1
Microsoft Windows Server 2012 R2
Microsoft Windows 10=1809
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows 11=21H2
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h2
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 11
Microsoft Windows 8.1
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2012 x64
Microsoft Windows Server 2012 x64=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019

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Frequently Asked Questions

  • What is CVE-2022-21901?

    CVE-2022-21901 is a Windows Hyper-V Elevation of Privilege Vulnerability.

  • Which software is affected by CVE-2022-21901?

    CVE-2022-21901 affects Microsoft Windows 10 (all versions), Windows 11, Windows 8.1, and Windows Server (versions 20h2, 2022, 2012, 2012 R2, 2016, and 2019).

  • What is the severity level of CVE-2022-21901?

    CVE-2022-21901 has a severity level of critical (8).

  • How can I fix CVE-2022-21901?

    To fix CVE-2022-21901, it is recommended to apply the latest security updates provided by Microsoft.

  • Where can I find more information about CVE-2022-21901?

    More information about CVE-2022-21901 can be found on the Microsoft Security Guidance Advisory page at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21901

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