{"schema":"threatline.record/2","record":{"id":"CVE-2026-83947","aliases":[],"summary":"Azure Event Grid Spoofing Vulnerability","details":"Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.","categories":["Containers & cloud"],"product":"Azure Event Grid System","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-83947","source_modified_at":"2026-10-23T22:32:23.375Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Azure Event Grid System","vendor":"Microsoft","versions":[{"version":"-","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00362,"percentile":0.28866,"score_date":"2026-10-23"},"published_at":"2026-10-08T22:15:31.809Z","modified_at":"2026-10-23T22:32:23.375Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-83947","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:32:23.375Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-83947","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83947","tags":["vendor-advisory","patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-09T13:11:07.720642Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T22:32:23.375Z","content_hash":"16a673b4bff3fd91308497481b708ee804cd4c58fe15e73e32e594fadf0d31a5"}}