CVE-2026-77490

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.

  • Published Sep 11, 2026
  • CVSS 6.1 medium
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-77490 at the National Vulnerability Database