Use-after-free in Windows and Windows Server - CVE-2025-24983
Published: March 11, 2025
Vulnerability identifier: #VU105516
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-24983
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the Windows Win32 Kernel Subsystem. A local user can win a race and execute arbitrary code SYSTEM privileges.
Note, the vulnerability is being exploited in the wild.
How to mitigate CVE-2025-24983
Install updates from vendor's website.