CVE-2022-37966
HIGHCVSS 8.1/10EPSS 2.77%
Last modified
CVE-2022-37966 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability. EPSS estimates a 2.77% chance of exploitation in the next 30 days.
Description
Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2019 | All versions | — |
| Microsoft | Windows Server 2022 | All versions | — |
| Fedoraproject | Fedora | 36 | — |
| Fedoraproject | Fedora | 37 | — |
| Netapp | Management Services For Element Software | All versions | — |
| Netapp | Management Services For Netapp Hci | All versions | — |
| Samba | Samba | < 4.15.13 | — |
| Samba | Samba | >= 4.16.0, < 4.16.8 | — |
| Samba | Samba | >= 4.17.0, < 4.17.4 | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37966Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37966Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202309-06Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-37966?
Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability
How severe is CVE-2022-37966?
CVE-2022-37966 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37966?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-37966?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST