{"id":"CVE-2023-28252","aliases":["EUVD-2023-31960","GHSA-385j-3gwh-pjgr"],"status":"published","title":"Windows Common Log File System Driver Elevation of Privilege Vulnerability","description":"Windows Common Log File System Driver 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:F/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.48892,"percentile":0.98888,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-04-11T19:13:51Z","modified":"2026-06-17T05:47:14Z","kev":{"date_added":"2023-04-11","due_date":"2023-05-02","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2023-04-11"},{"source":"kev","since":"2023-04-11"}],"exploits":[{"source":"metasploit","id":"exploit/windows/local/cve_2023_28252_clfs_driver","title":"Windows Common Log File System Driver (clfs.sys) Elevation of Privilege Vulnerability","type":"exploit","platform":"Windows","date":"2023-04-11","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/cve_2023_28252_clfs_driver"},{"source":"pocgithub","id":"fortra/CVE-2023-28252","title":"fortra/CVE-2023-28252","date":"2023-06-27","url":"https://github.com/fortra/CVE-2023-28252"},{"source":"pocgithub","id":"726232111/CVE-2023-28252","title":"726232111/CVE-2023-28252","date":"2023-08-02","url":"https://github.com/726232111/CVE-2023-28252"},{"source":"pocgithub","id":"Danasuley/CVE-2023-28252-","title":"Danasuley/CVE-2023-28252-","date":"2023-11-13","url":"https://github.com/Danasuley/CVE-2023-28252-"},{"source":"pocgithub","id":"bkstephen/Compiled-PoC-Binary-For-CVE-2023-28252","title":"bkstephen/Compiled-PoC-Binary-For-CVE-2023-28252","date":"2024-01-01","url":"https://github.com/bkstephen/Compiled-PoC-Binary-For-CVE-2023-28252"},{"source":"pocgithub","id":"duck-sec/CVE-2023-28252-Compiled-exe","title":"duck-sec/CVE-2023-28252-Compiled-exe","date":"2024-01-22","url":"https://github.com/duck-sec/CVE-2023-28252-Compiled-exe"},{"source":"pocgithub","id":"byt3n33dl3/CLFS","title":"byt3n33dl3/CLFS","date":"2024-03-21","url":"https://github.com/byt3n33dl3/CLFS"},{"source":"pocgithub","id":"Vulmatch/CVE-2023-28252","title":"Vulmatch/CVE-2023-28252","date":"2024-06-16","url":"https://github.com/Vulmatch/CVE-2023-28252"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_20h2"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28252","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28252","tags":["government-resource","US Government Resource"]},{"url":"http://packetstormsecurity.com/files/174668/Windows-Common-Log-File-System-Driver-clfs.sys-Privilege-Escalation.html","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28252"},{"url":"https://github.com/advisories/GHSA-385j-3gwh-pjgr"}],"sources":{"cve":[{"id":"CVE-2023-28252","title":"Windows Common Log File System Driver Elevation of Privilege Vulnerability","description":"Windows Common Log File System Driver Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T19:13:51.886Z","modified":"2025-10-21T23:05:49.146Z","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/E:F/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-31960","description":"Windows Common Log File System Driver Elevation of Privilege 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an unspecified vulnerability that allows for privilege escalation.","cwes":["CWE-122"],"kev":{"date_added":"2023-04-11","due_date":"2023-05-02","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-28252","description":"Windows Common Log File System Driver Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T21:15:25.137Z","modified":"2026-06-17T05:47:14.567Z","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-122","CWE-787"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}
