High · 7.5 CVE-2025-64658 EUVD-2025-202238GHSA-fhmq-36m9-74f3

Windows File Explorer Elevation of Privilege Vulnerability

Published Dec 9, 2025 · Updated Apr 16, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1809 Product: Windows 10 Version 21H2 Product: Windows 10 Version 22H2 Product: Windows 11 version 22H3 Product: Windows 11 version 23H2 Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server 2022 Product: Windows Server 2022, 23H2 Edition (Server Core installation) 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 Shell allows an authorized attacker to elevate privileges locally.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.8146	10.0.17763.8146
Microsoft	Windows 10 Version 21H2	10.0.19044.0 – < 10.0.19044.6691	10.0.19044.6691
Microsoft	Windows 10 Version 22H2	10.0.19045.0 – < 10.0.19045.6691	10.0.19045.6691
Microsoft	Windows 11 version 22H3	10.0.22631.0 – < 10.0.22631.6345	10.0.22631.6345
Microsoft	Windows 11 Version 23H2	10.0.22631.0 – < 10.0.22631.6345	10.0.22631.6345
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.7462	10.0.26100.7462
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.7462	10.0.26200.7462
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.8146	10.0.17763.8146
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.8146	10.0.17763.8146
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.4529	10.0.20348.4529
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0 – < 10.0.25398.2025	10.0.25398.2025
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.7462	10.0.26100.7462
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.7462	10.0.26100.7462

Advisories 3

WID-SEC-2025-2781 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 19, 2026
NCSC-2025-0383 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Dec 9, 2025
MSRC-CVE-2025-64658 Windows File Explorer Elevation of Privilege Vulnerability Microsoft Security Response Center · Dec 9, 2025

References

Windows File Explorer Elevation of Privilege Vulnerability vendor-advisory patch