{"id":"CVE-2023-36439","aliases":["EUVD-2023-40403","GHSA-335g-966f-cg64"],"status":"published","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/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":0.04964,"percentile":0.92296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-11-14T17:57:17Z","modified":"2026-06-17T06:06:17Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 12"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 13"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36439","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36439"},{"url":"https://github.com/advisories/GHSA-335g-966f-cg64"}],"sources":{"cve":[{"id":"CVE-2023-36439","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-11-14T17:57:17.367Z","modified":"2025-10-08T23:59:29.919Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/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-502"],"updated_at":"2026-11-02T14:35:28.218693Z"}],"euvd":[{"id":"EUVD-2023-40403","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-11-14T17:57:17Z","modified":"2025-10-08T23:59:29Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:31:34.988595Z"}],"ghsa":[{"id":"GHSA-335g-966f-cg64","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-11-14T18:30:29Z","modified":"2023-11-14T18:30:29Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:01.181922Z"}],"nvd":[{"id":"CVE-2023-36439","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-11-14T18:15:47.693Z","modified":"2026-06-17T06:06:17.777Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:08:46.647045Z"}]}}