CVE-2025-21420 - Improper Link Resolution Before File Access ('Link Following')

Severity

78%

Complexity

18%

Confidentiality

98%

Windows Disk Cleanup Tool Elevation of Privilege Vulnerability

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Overview

Type

Microsoft Windows Server

First reported 1 week ago

2025-02-11 18:15:00

Last updated 1 week ago

2025-02-14 17:36:00

Affected Software

Microsoft Windows Server 2012

Microsoft Windows Server 2019

Microsoft Windows Server 2016

References

Windows Disk Cleanup Tool Elevation of Privilege Vulnerability

Windows Disk Cleanup Tool Elevation of Privilege Vulnerability

Patch, Vendor Advisory

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