CVE-2025-24983

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

CVE-2025-24983 is fixed in 16 products on 1 platform, first by KB5053594, released March 11, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 11, 2025. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

7.0

Important

Exploitation

Exploited

Reported by the vendor

CISA KEV

Mar 11, 2025

Federal due date Apr 1, 2025

EPSS

0.0187

79th percentile

<p>Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 Version 1607 for 32-bit Systems	14393.7876	KB5053594	Mar 11, 2025
Windows 10 Version 1607 for x64-based Systems	14393.7876	KB5053594	Mar 11, 2025
Windows 10 for 32-bit Systems	10240.20947	KB5053618	Mar 11, 2025
Windows 10 for x64-based Systems	10240.20947	KB5053618	Mar 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1		KB5053627	Mar 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1		KB5053620	Mar 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)		KB5053627	Mar 11, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)		KB5053620	Mar 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2		KB5053995	Mar 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2		KB5053888	Mar 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)		KB5053995	Mar 11, 2025
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)		KB5053888	Mar 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2		KB5053995	Mar 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2		KB5053888	Mar 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)		KB5053995	Mar 11, 2025
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)		KB5053888	Mar 11, 2025
Windows Server 2012		KB5053886	Mar 11, 2025
Windows Server 2012 (Server Core installation)		KB5053886	Mar 11, 2025
Windows Server 2012 R2		KB5053887	Mar 11, 2025
Windows Server 2012 R2 (Server Core installation)		KB5053887	Mar 11, 2025
Windows Server 2016	14393.7876	KB5053594	Mar 11, 2025
Windows Server 2016 (Server Core installation)	14393.7876	KB5053594	Mar 11, 2025

Details

Published
March 11, 2025
Weakness
Use After Free
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24983

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