CVE-2025-53791: Microsoft Edge Chromium

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

Affected products

• Microsoft Edge Chromium: before 140.0.3485.54 (fixed in 140.0.3485.54)

Published 2025-09-05. Last modified 2026-06-17.