{"id":"CVE-2026-83947","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-83947","summary":"Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.","details":"Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.","published":"2026-10-08T23:17:04.423","modified":"2026-10-09T16:35:35.900","cvss":{"score":7.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83947"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-09T16:35:35.900"}}