CVE-2023-29340: Microsoft AV1 Video Extension

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

AV1 Video Extension Remote Code Execution Vulnerability

Affected products

• Microsoft AV1 Video Extension: before 1.1.51091.0 (fixed in 1.1.51091.0)

Published 2023-05-09. Last modified 2026-06-17.