{"id":"CVE-2026-69641","aliases":["EUVD-2026-73146","GHSA-wvx2-g3w5-c329"],"status":"published","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00862,"percentile":0.58824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-08T17:12:56Z","modified":"2026-10-31T16:11:44Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"exchange_server_subscription_edition"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 14"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 15"},{"vendor":"microsoft","product":"microsoft exchange server subscription edition rtm"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69641","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69641"},{"url":"https://github.com/advisories/GHSA-wvx2-g3w5-c329"}],"sources":{"cve":[{"id":"CVE-2026-69641","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T17:12:56.967Z","modified":"2026-10-31T16:11:44.462Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:50:16.178634Z"}],"euvd":[{"id":"EUVD-2026-73146","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T17:12:56Z","modified":"2026-10-31T16:11:44Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T16:58:59.513791Z"}],"ghsa":[{"id":"GHSA-wvx2-g3w5-c329","title":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate...","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T18:32:51Z","modified":"2026-09-08T18:32:54Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:31.661331Z"}],"nvd":[{"id":"CVE-2026-69641","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T18:19:36.313Z","modified":"2026-09-22T12:23:27.44Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}