Advisory Published
CVE Published
Updated

CVE-2022-21920: Windows Kerberos Elevation of Privilege Vulnerability

First published: Tue Jan 11 2022(Updated: )

Windows Kerberos Elevation of Privilege Vulnerability.

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 10=21H1
Microsoft Windows 10=1607
Microsoft Windows 10=1909
Microsoft Windows 10=21H2
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows Server 2008 R2
Microsoft Windows 10=21H2
Microsoft Windows Server 2008 R2
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 7
Microsoft Windows Server=20H2
Microsoft Windows 7
Microsoft Windows 10
Microsoft Windows Server 2012 R2
Microsoft Windows 10=21H1
Microsoft Windows 10=20H2
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10
Microsoft Windows 10=20H2
Microsoft Windows 10=21H1
Microsoft Windows 10=21H2
Microsoft Windows Server 2012 R2
Microsoft Windows RT
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=21h2
Microsoft Windows 10=21h2
Microsoft Windows 10=21h2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Windows 11
Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows RT
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server=sp2
Microsoft Windows Server=sp2
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=21H2
Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022

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Frequently Asked Questions

  • What is the severity of CVE-2022-21920?

    CVE-2022-21920 is classified as a Critical severity vulnerability that can lead to elevation of privilege in Windows Kerberos.

  • How do I fix CVE-2022-21920?

    To fix CVE-2022-21920, apply the latest security updates released by Microsoft for the affected Windows versions.

  • Which products are affected by CVE-2022-21920?

    CVE-2022-21920 affects multiple Microsoft products, including Windows 10, Windows 11, and Windows Server versions.

  • What type of vulnerability is CVE-2022-21920?

    CVE-2022-21920 is an Elevation of Privilege vulnerability related to Windows Kerberos.

  • When was CVE-2022-21920 announced?

    CVE-2022-21920 was publicly disclosed on February 8, 2022, as part of Microsoft's monthly security updates.

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