VULNERABILITY INTELLIGENCE

CVE-2026-69859

CVSS score7 HIGH
EPSS probability0.20%
CISA KEVNot currently listed
Published2026-09-08
Last modified2026-09-24
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

Weakness classification

  • secure@microsoft.com: CWE-191

Primary references