CVE-2026-69486: Microsoft Edge Chromium

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected products

• Microsoft Edge Chromium: before 153.0.4234.32 (fixed in 153.0.4234.32)

Published 2026-09-15. Last modified 2026-09-25.