CVE-2026-69469: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1809

This vulnerability involves an integer overflow or wraparound condition in the Windows USB Audio Class driver (usbaudio.sys) on Windows 10 Version 1809 and later versions up to certain patched builds. Exploitation requires physical access and can lead to privilege escalation by an unauthorized attacker. The issue is tracked as CVE-2026-69469 and is classified under CWE-190 (Integer Overflow or Wraparound). Microsoft has released an official fix to address this vulnerability.

Successful exploitation allows an unauthorized attacker with physical access to the system to elevate privileges, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability, as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.

An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for Windows 10 Version 1809 and the affected builds as listed in the vendor advisory. No additional mitigation steps are indicated beyond applying the official patch.