High · 7.5 CVE-2026-50414 EUVD-2026-43916GHSA-vrq2-m64r-469m

Windows Media Elevation of Privilege Vulnerability

Published Jul 14, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows 11 version 26H1 Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.8875	10.0.26100.8875
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.8875	10.0.26200.8875
Microsoft	Windows 11 version 26H1	10.0.28000.0 – < 10.0.28000.2525	10.0.28000.2525
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33158	10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33158	10.0.26100.33158

Advisories 3

MSRC-CVE-2026-50414 Windows Media Elevation of Privilege Vulnerability Microsoft Security Response Center · Sep 29, 2026
WID-SEC-2026-2316 Microsoft Windows Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 6, 2026
NCSC-2026-0231 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Jul 14, 2026

References

Windows Media Elevation of Privilege Vulnerability vendor-advisory patch