#VU103779 Double free in Windows Server - CVE-2025-21182 

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Main Vulnerability Database Vulnerabilities #VU103779

#VU103779 Double free in Windows Server - CVE-2025-21182

Published: February 11, 2025


Vulnerability identifier: #VU103779
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21182
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Windows Server
Software vendor:
Microsoft

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to a boundary error in Windows Resilient File System (ReFS) Deduplication Service. A local attacker can win a race condition, trigger double free error and gain elevated privileges on the target system.


Remediation

Install updates from vendor's website.

External links