{"affected":[{"product":"Microsoft Edge (Chromium-based)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"151.0.4129.59","status":"affected","version":"1.0.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-66322","cwes":["CWE-346"],"description":"Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","epss":{"date":"2026-11-10","percentile":0.13427,"score":0.00226},"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794350463745,"publishedAt":1785797874552,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66322"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66322"}],"revision":"ef47765191e0b64a2d0fb4f1793045ad09d78550ba6bda761d5f18f3363dd3b6","sources":[{"modifiedAt":1794350463745,"name":"CNA: microsoft","retrievedAt":1794353794266,"url":"https://www.cve.org/CVERecord?id=CVE-2026-66322"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353820747,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-66322"}],"ssvc":{"assessedAt":1785852034497,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","updatedAt":1794353820747}