CVE-2025-26643: Microsoft Edge Chromium

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Edge Chromium: before 134.0.3124.51 (fixed in 134.0.3124.51)

Published 2025-03-07. Last modified 2026-06-17.