Link following in Windows and Windows Server - CVE-2025-21419

 

Link following in Windows and Windows Server - CVE-2025-21419

Published: February 11, 2025


Vulnerability identifier: #VU103804
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2025-21419
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to insecure link following in Windows Setup Files Cleanup. A local user can gain elevated privileges and delete target files.


How to mitigate CVE-2025-21419

Install updates from vendor's website.

Sources