A integer overflow vulnerability (CVE-2026-11640) has been identified in libyuv, a library used within the Chromium engine that underpins Microsoft Edge. Integer overflow flaws can potentially be exploited to cause unexpected behaviour, memory corruption, or arbitrary code execution. Microsoft Edge receives this fix via its Chromium ingestion pipeline, so updating Edge addresses the issue.

Security Architect’s Take: Ensure Microsoft Edge is updated to the latest Chromium-based release across all managed endpoints and virtual desktop infrastructure, including Azure Virtual Desktop environments. Validate that your endpoint management tooling (e.g. Intune or SCCM) has deployed the patch and consider enforcing browser version compliance policies.

Original advisory: Chromium: CVE-2026-11640 Integer overflow in libyuv