CVE-2026-25187 HIGH

CVE-2026-25187: Winlogon Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-59
Published March 10, 2026
Last update May 26, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

March 10, 2026 CVE published
May 26, 2026 Record updated