{"id":"CVE-2024-21410","aliases":["EUVD-2024-19119","GHSA-mv5v-r4x4-qmxw"],"status":"published","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Microsoft Exchange Server Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.12661,"percentile":0.96311,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2024-02-13T18:02:48Z","modified":"2026-08-10T17:52:39Z","kev":{"date_added":"2024-02-15","due_date":"2024-03-07","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-02-15"},{"source":"kev","since":"2024-02-15"}],"products":[{"vendor":"microsoft","product":"exchange server"},{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 13"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 14"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21410","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21410"},{"url":"https://github.com/advisories/GHSA-mv5v-r4x4-qmxw"}],"sources":{"cve":[{"id":"CVE-2024-21410","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Microsoft Exchange Server Elevation of Privilege Vulnerability","status":"published","published":"2024-02-13T18:02:48.59Z","modified":"2026-08-10T17:52:39.345Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:04.341725Z"}],"euvd":[{"id":"EUVD-2024-19119","description":"Microsoft Exchange Server Elevation of Privilege Vulnerability","status":"published","published":"2024-02-13T18:02:48Z","modified":"2026-08-10T17:52:39Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical"}],"exploited_since":"2024-02-15","updated_at":"2026-11-02T18:02:01.58399Z"}],"ghsa":[{"id":"GHSA-mv5v-r4x4-qmxw","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Microsoft Exchange Server Elevation of Privilege Vulnerability","status":"published","published":"2024-02-13T18:38:24Z","modified":"2025-10-22T00:34:06Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:04:08.734574Z"}],"kev":[{"id":"CVE-2024-21410","title":"Microsoft Exchange Server Privilege Escalation Vulnerability","description":"Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.","cwes":["CWE-287"],"kev":{"date_added":"2024-02-15","due_date":"2024-03-07","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2024-21410","description":"Microsoft Exchange Server Elevation of Privilege Vulnerability","status":"published","published":"2024-02-13T18:15:59.68Z","modified":"2026-06-17T07:09:14.233Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:09:35.738752Z"}]}}