{"id":"CVE-2023-28274","aliases":["EUVD-2023-31981","GHSA-9g89-rp6g-92fj"],"status":"published","title":"Windows Win32k Elevation of Privilege Vulnerability","description":"Windows Win32k 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:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.06827,"percentile":0.94065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-04-11T19:13:51Z","modified":"2026-06-17T05:47:18Z","products":[{"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 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"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_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28274","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28274"},{"url":"https://github.com/advisories/GHSA-9g89-rp6g-92fj"}],"sources":{"cve":[{"id":"CVE-2023-28274","title":"Windows Win32k Elevation of Privilege Vulnerability","description":"Windows Win32k Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T19:13:51.361Z","modified":"2025-01-23T01:05:12.041Z","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:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31981","description":"Windows Win32k Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T19:13:51Z","modified":"2025-01-23T01:05:12Z","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:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:14.937024Z"}],"ghsa":[{"id":"GHSA-9g89-rp6g-92fj","title":"Windows Win32k Elevation of Privilege Vulnerability","description":"Windows Win32k Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T21:31:00Z","modified":"2023-04-11T21:31:08Z","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":"2026-11-02T14:54:28.83155Z"}],"nvd":[{"id":"CVE-2023-28274","description":"Windows Win32k Elevation of Privilege Vulnerability","status":"published","published":"2023-04-11T21:15:26.383Z","modified":"2026-06-17T05:47:18.643Z","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-20"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}