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CVE-2022-37967: Windows Kerberos Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-09 · updated 2026-08-10

Description

Windows Kerberos Elevation of Privilege Vulnerability

Affected products

• Fedoraproject Fedora: 36, 37
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: all versions
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• NetApp Management Services For Element Software: all versions
• NetApp Management Services For Netapp Hci: all versions
• Samba: before 4.15.13; from 4.16.0 before 4.16.8; from 4.17.0 before 4.17.4 — fixed in 4.15.13, 4.16.8, 4.17.4
• Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0 before 6.1.7601.26769 — fixed in 6.1.7601.26769
• Microsoft Windows Server 2008 Service Pack 2: from 6.0.6003.0 before 6.0.6003.22317 — fixed in 6.0.6003.22317
• Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.24523 — fixed in 6.2.9200.24523
• Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.21620 — fixed in 6.3.9600.21620
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.6351 — fixed in 10.0.14393.6351
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4974 — fixed in 10.0.17763.4974
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2031 — fixed in 10.0.20348.2031

How to fix

Upgrade to a fixed version: Samba 4.15.13, 4.16.8, 4.17.4; Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26769; Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22317; Microsoft Windows Server 2012 6.2.9200.24523; Microsoft Windows Server 2012 R2 6.3.9600.21620; Microsoft Windows Server 2016 10.0.14393.6351; Microsoft Windows Server 2019 10.0.17763.4974; Microsoft Windows Server 2022 10.0.20348.2031. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37967
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37967
• https://security.gentoo.org/glsa/202309-06

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