CVE-2026-66322 — Microsoft Edge (Chromium-based) Spoofing Vulnerability

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

Published: 2026-08-03 · CVSS: 7.1 · CVSS 3.1

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

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7