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Microsoft Security Response CenterCVE-2026-77490

Microsoft Edge (Chromium-based) Spoofing Vulnerability

MediumVendor CVSS 6.1 / 10 1 CVE Published Sep 11, 2026 at 7:00 AM UTC

Summary

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.

Products covered

  • Microsoft Edge (Chromium-based)

Remediation

Release Notes

Vendor-listed fixes

  • 151.0.4129.107

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.