CVE-2025-54103 HIGH

CVE-2025-54103: Windows Management Service Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 21H2
Weakness CWE-416
Published September 9, 2025
Last update February 20, 2026

CVSS base score

7.4/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

September 9, 2025 CVE published
February 20, 2026 Record updated