CVE-2026-69289

Microsoft · Published September 8, 2026

7.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

Windows Setup Files Cleanup Elevation of Privilege Vulnerability. Improper link resolution before file access ('link following') in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

Affected Products

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)

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