{"id":"CVE-2024-21378","aliases":["EUVD-2024-19090","GHSA-qm4q-xhjm-67jr"],"status":"published","title":"Microsoft Outlook Remote Code Execution Vulnerability","description":"Microsoft Outlook Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.10976,"percentile":0.95951,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2024-02-13T18:02:42Z","modified":"2026-08-10T17:53:01Z","exploits":[{"source":"pocgithub","id":"d0rb/CVE-2024-21378","title":"d0rb/CVE-2024-21378","date":"2024-03-12","url":"https://github.com/d0rb/CVE-2024-21378"}],"products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft outlook 2016"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"},{"vendor":"microsoft","product":"outlook"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21378","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21378"},{"url":"https://github.com/advisories/GHSA-qm4q-xhjm-67jr"}],"sources":{"cve":[{"id":"CVE-2024-21378","title":"Microsoft Outlook Remote Code Execution Vulnerability","description":"Microsoft Outlook Remote Code Execution Vulnerability","status":"published","published":"2024-02-13T18:02:42.999Z","modified":"2026-08-10T17:53:01.205Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:34:05.077718Z"}],"euvd":[{"id":"EUVD-2024-19090","description":"Microsoft Outlook Remote Code Execution Vulnerability","status":"published","published":"2024-02-13T18:02:42Z","modified":"2026-08-10T17:53:01Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:01.58399Z"}],"ghsa":[{"id":"GHSA-qm4q-xhjm-67jr","title":"Microsoft Outlook Remote Code Execution Vulnerability","description":"Microsoft Outlook Remote Code Execution Vulnerability","status":"published","published":"2024-02-13T18:38:24Z","modified":"2024-04-21T05:02:41Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:57:14.021236Z"}],"nvd":[{"id":"CVE-2024-21378","description":"Microsoft Outlook Remote Code Execution Vulnerability","status":"published","published":"2024-02-13T18:15:55.827Z","modified":"2026-08-10T16:18:48.687Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:09:35.738752Z"}]}}