{"id":"CVE-2023-21768","aliases":["EUVD-2023-25935","GHSA-j69v-7pj3-vg67"],"status":"published","title":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","description":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/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":"2026-11-10","score":0.65417,"percentile":0.99266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-822"],"published":"2023-01-10T00:00:00Z","modified":"2026-06-17T05:33:56Z","exploits":[{"source":"metasploit","id":"exploit/windows/local/cve_2023_21768_afd_lpe","title":"Ancillary Function Driver (AFD) for WinSock Elevation of Privilege","type":"exploit","platform":"Windows","date":"2023-01-10","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/cve_2023_21768_afd_lpe"},{"source":"pocgithub","id":"IlanDudnik/CVE-2023-21768","title":"IlanDudnik/CVE-2023-21768","date":"2024-12-30","url":"https://github.com/IlanDudnik/CVE-2023-21768"},{"source":"pocgithub","id":"Malwareman007/CVE-2023-21768","title":"Malwareman007/CVE-2023-21768","date":"2023-03-13","url":"https://github.com/Malwareman007/CVE-2023-21768"},{"source":"pocgithub","id":"P4x1s/CVE-2023-21768-POC","title":"P4x1s/CVE-2023-21768-POC","date":"2023-03-22","url":"https://github.com/P4x1s/CVE-2023-21768-POC"},{"source":"pocgithub","id":"Rosayxy/Recreate-cve-2023-21768","title":"Rosayxy/Recreate-cve-2023-21768","date":"2023-10-02","url":"https://github.com/Rosayxy/Recreate-cve-2023-21768"},{"source":"pocgithub","id":"SamuelTulach/nullmap","title":"SamuelTulach/nullmap","date":"2023-03-10","url":"https://github.com/SamuelTulach/nullmap"},{"source":"pocgithub","id":"chompie1337/Windows_LPE_AFD_CVE-2023-21768","title":"chompie1337/Windows_LPE_AFD_CVE-2023-21768","date":"2023-03-07","url":"https://github.com/chompie1337/Windows_LPE_AFD_CVE-2023-21768"},{"source":"pocgithub","id":"cl4ym0re/cve-2023-21768-compiled","title":"cl4ym0re/cve-2023-21768-compiled","date":"2023-03-10","url":"https://github.com/cl4ym0re/cve-2023-21768-compiled"},{"source":"pocgithub","id":"h1bAna/CVE-2023-21768","title":"h1bAna/CVE-2023-21768","date":"2023-04-05","url":"https://github.com/h1bAna/CVE-2023-21768"},{"source":"pocgithub","id":"ivanovick1/Windows_AFD_LPE_CVE-2023-21768","title":"ivanovick1/Windows_AFD_LPE_CVE-2023-21768","date":"2023-08-21","url":"https://github.com/ivanovick1/Windows_AFD_LPE_CVE-2023-21768"},{"source":"pocgithub","id":"ldrx30/CVE-2023-21768","title":"ldrx30/CVE-2023-21768","date":"2024-04-07","url":"https://github.com/ldrx30/CVE-2023-21768"},{"source":"pocgithub","id":"leandrofleury/CVE-2023-21768","title":"leandrofleury/CVE-2023-21768","date":"2026-06-15","url":"https://github.com/leandrofleury/CVE-2023-21768"},{"source":"pocgithub","id":"radoi-teodor/CVE-2023-21768-DSE-Bypass","title":"radoi-teodor/CVE-2023-21768-DSE-Bypass","date":"2025-08-25","url":"https://github.com/radoi-teodor/CVE-2023-21768-DSE-Bypass"},{"source":"pocgithub","id":"xboxoneresearch/CVE-2023-21768-dotnet","title":"xboxoneresearch/CVE-2023-21768-dotnet","date":"2024-05-15","url":"https://github.com/xboxoneresearch/CVE-2023-21768-dotnet"},{"source":"pocgithub","id":"zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit","title":"zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit","date":"2023-04-20","url":"https://github.com/zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit"}],"products":[{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21768","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21768"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21768"},{"url":"http://packetstormsecurity.com/files/171606/Ancillary-Function-Driver-AFD-For-Winsock-Privilege-Escalation.html"},{"url":"https://github.com/advisories/GHSA-j69v-7pj3-vg67"}],"sources":{"cve":[{"id":"CVE-2023-21768","title":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","description":"Windows Ancillary Function Driver for WinSock Elevation of Privilege 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Vulnerability.","status":"published","published":"2023-01-11T00:30:45Z","modified":"2023-05-06T05:00:43Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:54:35.04449Z"}],"nvd":[{"id":"CVE-2023-21768","description":"Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability","status":"published","published":"2023-01-10T22:15:19.367Z","modified":"2026-06-17T05:33:56.107Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:07:45.305824Z"}]}}