High · 7.0 CVE-2026-119893 EUVD-2026-122400GHSA-mg6c-246r-wp4f

Windows Audio Service Elevation of Privilege Vulnerability

Published Nov 10, 2026 · Updated Nov 13, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows 11 version 26H1 Product: Windows 11 Version 26H2 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 Audio Service allows an authorized attacker to elevate privileges locally.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.9974	10.0.26100.9974
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.9974	10.0.26200.9974
Microsoft	Windows 11 version 26H1	10.0.28000.0 – < 10.0.28000.3501	10.0.28000.3501
Microsoft	Windows 11 Version 26H2	10.0.26300.0 – < 10.0.26300.9974	10.0.26300.9974
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33822	10.0.26100.33822
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33822	10.0.26100.33822

Advisories 2

WID-SEC-2026-4478 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
MSRC-CVE-2026-119893 Windows Audio Service Elevation of Privilege Vulnerability Microsoft Security Response Center · Nov 10, 2026

References

Windows Audio Service Elevation of Privilege Vulnerability vendor-advisory patch