Medium · 6.5 CVE-2026-24297 EUVD-2026-10626GHSA-63qj-r8vw-627j

Windows Kerberos Security Feature Bypass Vulnerability

Published Mar 10, 2026 · Updated Jun 19, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1607 Product: Windows 10 Version 1809 Product: Windows 10 Version 21H2 Product: Windows 10 Version 22H2 Product: Windows Server 2012 Product: Windows Server 2012 (Server Core installation) Product: Windows Server 2012 R2 Product: Windows Server 2012 R2 (Server Core installation) Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Platform: Windows

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kerberos allows an unauthorized attacker to bypass a security feature over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 10 Version 1607	10.0.14393.0 – < 10.0.14393.8957	10.0.14393.8957
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.8511	10.0.17763.8511
Microsoft	Windows 10 Version 21H2	10.0.19044.0 – < 10.0.19044.7058	10.0.19044.7058
Microsoft	Windows 10 Version 22H2	10.0.19045.0 – < 10.0.19045.7058	10.0.19045.7058
Microsoft	Windows Server 2012	6.2.9200.0 – < 6.2.9200.25973	6.2.9200.25973
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 – < 6.2.9200.25973	6.2.9200.25973
Microsoft	Windows Server 2012 R2	6.3.9600.0 – < 6.3.9600.23074	6.3.9600.23074
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 – < 6.3.9600.23074	6.3.9600.23074
Microsoft	Windows Server 2016	10.0.14393.0 – < 10.0.14393.8957	10.0.14393.8957
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 – < 10.0.14393.8957	10.0.14393.8957
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.8511	10.0.17763.8511
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.8511	10.0.17763.8511

Advisories 3

WID-SEC-2026-0661 Microsoft Windows und Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 5, 2026
NCSC-2026-0080 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Mar 10, 2026
MSRC-CVE-2026-24297 Windows Kerberos Security Feature Bypass Vulnerability Microsoft Security Response Center · Mar 10, 2026

References

Windows Kerberos Security Feature Bypass Vulnerability vendor-advisory patch