Main Vulnerability Database Vulnerabilities #VU103821

Link following in Windows Server and Windows - CVE-2025-21420

Published: February 11, 2025 / Updated: June 13, 2025

Vulnerability identifier: #VU103821

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear

CVE-ID: CVE-2025-21420

CWE-ID: CWE-59

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vendor: Microsoft

Affected software:
Windows Server
Windows

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 Disk Cleanup Tool. A local user can gain elevated privileges on the target system.

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