CVE-2026-77490: Microsoft Edge Chromium

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Edge Chromium: before 151.0.4129.107 (fixed in 151.0.4129.107)

Published 2026-09-11. Last modified 2026-09-25.