What is the severity of CVE-2022-26931?

CVE-2022-26931 has been rated as a critical elevation of privilege vulnerability.

How do I fix CVE-2022-26931?

To mitigate CVE-2022-26931, install the latest security patches provided by Microsoft for the affected Windows versions.

Which Windows versions are affected by CVE-2022-26931?

CVE-2022-26931 affects several versions of Windows, including Windows 7, Windows 10, Windows 11, and Windows Server editions.

What type of vulnerability is CVE-2022-26931?

CVE-2022-26931 is classified as an elevation of privilege vulnerability in the Microsoft Windows Kerberos component.

Can CVE-2022-26931 be exploited remotely?

CVE-2022-26931 is primarily an elevation of privilege vulnerability that requires local access for exploitation.

Vulnerability/
CVE-2022-26931

high

7.5

10/5/2022

2/1/2025

CVE-2022-26931: Windows Kerberos Elevation of Privilege Vulnerability

First published: Tue May 10 2022(Updated: 3 months ago)

Windows Kerberos Elevation of Privilege Vulnerability.

Credit: secure@microsoft.com

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

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26931

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2022-26931?
CVE-2022-26931 has been rated as a critical elevation of privilege vulnerability.
How do I fix CVE-2022-26931?
To mitigate CVE-2022-26931, install the latest security patches provided by Microsoft for the affected Windows versions.
Which Windows versions are affected by CVE-2022-26931?
CVE-2022-26931 affects several versions of Windows, including Windows 7, Windows 10, Windows 11, and Windows Server editions.
What type of vulnerability is CVE-2022-26931?
CVE-2022-26931 is classified as an elevation of privilege vulnerability in the Microsoft Windows Kerberos component.
Can CVE-2022-26931 be exploited remotely?
CVE-2022-26931 is primarily an elevation of privilege vulnerability that requires local access for exploitation.

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