CVE-2026-69440 HIGH

CVE-2026-69440: Windows MIDI Service Module Elevation of Privileges Vulnerability

Vendor Microsoft
Product Windows 11 Version 24H2
Weakness CWE-367
Published September 8, 2026
Last update September 29, 2026
View on NVD All CVEs

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 MIDI Service Module allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

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