{"id":"CVE-2026-66313","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-66313","generatedAt":"2026-10-27T23:57:29.873Z","title":"Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.","description":"Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.","published":"2026-08-04T00:17:39.000Z","lastModified":"2026-10-23T23:10:00.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},"cwe":["CWE-346"],"affected":["microsoft/edge chromium"],"epss":{"score":0.00234,"percentile":0.14143,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66313","tags":["Vendor Advisory"],"source":"secure@microsoft.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-66313","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}