CVE-2023-28229: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
CVE-2023-28229 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2023-10-04
The Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an elevation of privilege vulnerability. An attacker who successfully exploits this vulnerability can gain SYSTEM privileges. This vulnerability has been observed being exploited in the wild.
Yes. CVE-2023-28229 is known to be exploited in the wild, first recorded on 4 October 2023. Treat it as urgent.
How severe is CVE-2023-28229?
Critical severity, with a CVSS score of 7, published 4 October 2023.
Which products and versions are affected?
Microsoft Windows 10 1507, 1607, 1809, 20H2, 21H2, 22H2; Microsoft Windows 11 21H2, 22H2; Microsoft Windows Server 2008 SP2, R2 SP1; Microsoft Windows Server 2012 2012, R2; and 3 more.
Is there a fix for CVE-2023-28229?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-28229 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2023-28229?
Check whether you run Microsoft Windows CNG Key Isolation Service. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Windows 10 1507, 1607, 1809, 20H2, 21H2, 22H2
Microsoft Windows 11 21H2, 22H2
Microsoft Windows Server 2008 SP2, R2 SP1
Microsoft Windows Server 2012 2012, R2
Microsoft Windows Server 2016 -
Microsoft Windows Server 2019 -
Microsoft Windows Server 2022 -
Timeline
2023-04-11: disclosed: NVD Published Date
2023-10-04: kev added: Added to CISA Known Exploited Vulnerabilities Catalog