High · 7.0 CVE-2025-50174 EUVD-2025-34429GHSA-4pjf-gx23-qw59

Windows Device Association Broker Service Elevation of Privilege Vulnerability

Published Oct 14, 2025 · Updated Feb 26, 2026 · Assigned by microsoft

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

Description

Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.6899	10.0.26100.6899
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.6899	10.0.26200.6899
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.6899	10.0.26100.6899
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.6899	10.0.26100.6899

Advisories 3

WID-SEC-2025-2307 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 25, 2025
NCSC-2025-0310 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Oct 24, 2025
MSRC-CVE-2025-50174 Windows Device Association Broker Service Elevation of Privilege Vulnerability Microsoft Security Response Center · Oct 14, 2025

References

Windows Device Association Broker Service Elevation of Privilege Vulnerability vendor-advisory patch