{"id":"CVE-2026-83947","title":"Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.","summary":"Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","cwe":["CWE-862"],"vendor":"microsoft","product":"azure_event_grid","affected":["azure_event_grid"],"published":"2026-10-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T18:41:18.720","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83947","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83947","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00528,"epssPercentile":0.4448,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-09T13:11:07.720642Z"},"ingestedAt":"2026-10-09T00:19:50.977Z","slug":"CVE-2026-83947","body":"## Overview\n\nMissing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `azure_event_grid`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}