CVE-2026-72970: Microsoft Edge Chromium

High severity, CVSS 8.3. EPSS: 0.7% 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 151.0.4129.86 (fixed in 151.0.4129.86)

Published 2026-08-14. Last modified 2026-08-18.