CVE-2026-70339: Microsoft Edge Chromium

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected products

• Microsoft Edge Chromium: before 151.0.4129.78 (fixed in 151.0.4129.78)

Published 2026-08-11. Last modified 2026-08-17.