{"id":"CVE-2026-65801","title":"Microsoft Exchange Online Elevation of Privilege Vulnerability","summary":"Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-918"],"vendor":"Microsoft","product":"Microsoft Exchange Online","affected":["exchange_online -"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-08-21T00:00:00+00:00"},"published":"2026-08-20","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:22:55.628Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65801","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65801","label":"Microsoft Exchange Online Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00511,"epssPercentile":0.42592,"ingestedAt":"2026-09-08T18:07:34.902Z","slug":"CVE-2026-65801","body":"## Overview\n\nServer-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `exchange_online -`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}