{"id":"CVE-2026-69380","aliases":["EUVD-2026-73129","GHSA-x6mm-qwwf-pcg3"],"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":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00689,"percentile":0.53194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-08T17:12:47Z","modified":"2026-11-10T21:31:32Z","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-2026-69380","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69380"},{"url":"https://github.com/advisories/GHSA-x6mm-qwwf-pcg3"}],"sources":{"cve":[{"id":"CVE-2026-69380","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":"2026-09-08T17:12:47.544Z","modified":"2026-11-10T21:31:32.74Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-10T22:48:52.144232Z"}],"euvd":[{"id":"EUVD-2026-73129","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T17:12:47Z","modified":"2026-11-10T21:31:32Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:53.008995Z"}],"ghsa":[{"id":"GHSA-x6mm-qwwf-pcg3","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":"2026-09-08T18:32:28Z","modified":"2026-09-08T18:32:37Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:30.562219Z"}],"nvd":[{"id":"CVE-2026-69380","description":"Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-08T18:18:58.803Z","modified":"2026-09-29T15:17:09.64Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}