CVE-2026-69779 HIGH

CVE-2026-69779: Windows Win32k Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-367
Published September 8, 2026
Last update September 29, 2026

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Time-of-check time-of-use (toctou) race condition in Windows Win32K allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 29, 2026 Record updated