High8.1Microsoft Server

High [CVE-2022-37966] Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2022-37966 affecting Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2 (Server Core installation).

CVE-2022-37966 Published Nov 9, 2022Updated by vendor Aug 10, 2026

CVE-2022-37966

Affected products & platforms

Microsoft ServerWindows Server

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Summary

Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability

Affected products named by the advisory: Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); and 9 more.

Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 1 more.

Affected versions

Windows Server 2008 Service Pack 2 -
Windows Server 2008 R2 Service Pack 1 -
Windows Server 2008 R2 Service Pack 1 (Server Core installation) -
Windows Server 2008 Service Pack 2 -
Windows Server 2008 Service Pack 2 (Server Core installation) -
Windows Server 2012 -
Windows Server 2012 (Server Core installation) -
Windows Server 2012 R2 -
Windows Server 2012 R2 (Server Core installation) -
Windows Server 2016 -
Windows Server 2016 (Server Core installation) -
Windows Server 2019 -

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

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