CVE-2026-69687
Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.8
- 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
- EPSS probability
- 0.32%
- CWE
- CWE-191
- Published
- 2026-09-08
- Last modified
- 2026-09-10
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
Weakness type
Related vulnerabilities
- CVE-2026-81977 — Acrobat Reader | Integer Underflow (Wrap or Wraparound) (CWE-191)
- CVE-2026-66307 — Skype for Business and Lync Denial of Service Vulnerability
- CVE-2026-78453 — Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
- CVE-2026-77488 — Microsoft SQL Server Information Disclosure Vulnerability
- CVE-2026-71352 — Windows Remote Access Connection Manager Remote Code Execution Vulnerability
- CVE-2026-69824 — Microsoft Standard XPS Remote Code Execution Vulnerability
- CVE-2026-69421 — Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
- CVE-2026-69303 — Push Message Routing Service Information Disclosure Vulnerability