{"schema":"threatline.record/2","record":{"id":"CVE-2026-83831","aliases":[],"summary":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","details":"Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","categories":["Applications & CMS"],"product":"Microsoft Edge (Chromium-based)","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-83831","source_modified_at":"2026-10-27T20:37:26.445Z","fetched_at":"2026-10-27T21:14:11.489891Z","product":"Microsoft Edge (Chromium-based)","vendor":"Microsoft","versions":[{"version":"1.0.0.0","lessThan":"154.0.4258.48","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-83831","source_modified_at":"2026-10-27T20:37:26.445Z","fetched_at":"2026-10-27T21:14:11.489891Z","package":{"name":"Microsoft Edge (Chromium-based)","ecosystem":null},"version":"154.0.4258.48","basis":"first unaffected version stated in the CVE record"}],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T20:37:26.445Z","modified_at":"2026-10-27T20:37:26.445Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-83831","fetched_at":"2026-10-27T21:14:11.489891Z","source_modified_at":"2026-10-27T20:37:26.445Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83831","tags":["vendor-advisory","patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-27T20:37:26.445Z","content_hash":"9b81fc3c0604b733ef043e8b2a4d87fee22be0fa5625578e04ae5b20f249c4f4"}}