CVE-2026-69900 HIGH

CVE-2026-69900: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 21H2
Weakness CWE-822
Published September 8, 2026
Last update September 18, 2026
View on NVD All CVEs

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

Untrusted pointer dereference in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 18, 2026 Record updated