{"id":"CVE-2023-21706","aliases":["EUVD-2023-25873","GHSA-8v8w-cp35-xxq5"],"status":"published","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server 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":"2026-11-12","score":0.04058,"percentile":0.90801,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-02-14T19:32:44Z","modified":"2026-08-19T17:18:11Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2013 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 11"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 12"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21706","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21706"},{"url":"https://github.com/advisories/GHSA-8v8w-cp35-xxq5"}],"sources":{"cve":[{"id":"CVE-2023-21706","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-02-14T19:32:44.189Z","modified":"2026-08-19T16:26:36.721Z","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-502"],"updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25873","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-02-14T19:32:44Z","modified":"2026-08-19T16:26:36Z","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":"2026-11-02T18:01:44.172516Z"}],"ghsa":[{"id":"GHSA-8v8w-cp35-xxq5","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-02-14T21:30:29Z","modified":"2023-02-14T21:30:36Z","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"}],"updated_at":"2026-11-02T14:54:07.544087Z"}],"nvd":[{"id":"CVE-2023-21706","description":"Microsoft Exchange Server Remote Code Execution Vulnerability","status":"published","published":"2023-02-14T20:15:13.9Z","modified":"2026-08-19T17:18:11.53Z","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-502"],"updated_at":"2026-11-02T14:07:46.811196Z"}]}}