Junglewise Threat Intelligence

CVE-2026-69394: Windows Audio Service heap buffer overflow

CVE-2026-69394 · Severity: high · CVSS 7 · Published 2026-09-08

Technologies: Microsoft Windows. Vendors: Microsoft.

Executive brief

A heap-based buffer overflow vulnerability exists in Windows Audio Service, a core component that manages audio playback and recording on Windows systems. An authenticated attacker with local access could exploit this vulnerability to gain system-level privileges, potentially allowing them to install malware, steal data, or take full control of the affected machine.

Technical details

A heap-based buffer overflow in Windows Audio Service enables privilege escalation through a local attack vector. The vulnerability requires prior authentication and local system access; successful exploitation grants the attacker elevated privileges on the compromised system.

Affected products

  • Microsoft Windows

Timeline

  • 2026-09-08: disclosed

References

Related threats