CVE-2026-57989: Microsoft Edge Chromium

High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Edge Chromium: before 150.0.4078.99 (fixed in 150.0.4078.99)

Published 2026-07-26. Last modified 2026-08-03.