{"id":"CVE-2023-35644","aliases":["EUVD-2023-39644","GHSA-76pp-5phh-864m"],"status":"published","title":"Windows Sysmain Service Elevation of Privilege Vulnerability","description":"Windows Sysmain Service 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":"2026-11-09","score":0.0625,"percentile":0.93605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2023-12-12T18:10:51Z","modified":"2026-06-17T06:04:55Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"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 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"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 server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_10_1809"},{"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_11_23h2"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35644","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35644"},{"url":"https://github.com/advisories/GHSA-76pp-5phh-864m"}],"sources":{"cve":[{"id":"CVE-2023-35644","title":"Windows Sysmain Service Elevation of Privilege Vulnerability","description":"Windows Sysmain Service Elevation of Privilege Vulnerability","status":"published","published":"2023-12-12T18:10:51.007Z","modified":"2025-01-01T02:18:38.815Z","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:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:33.794347Z"}],"euvd":[{"id":"EUVD-2023-39644","description":"Windows Sysmain Service Elevation of Privilege Vulnerability","status":"published","published":"2023-12-12T18:10:51Z","modified":"2025-01-01T02:18:38Z","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:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:29.948913Z"}],"ghsa":[{"id":"GHSA-76pp-5phh-864m","title":"Windows Sysmain Service Elevation of Privilege","description":"Windows Sysmain Service Elevation of Privilege","status":"published","published":"2023-12-12T18:31:35Z","modified":"2025-01-01T03:32:42Z","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"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:59:18.610113Z"}],"nvd":[{"id":"CVE-2023-35644","description":"Windows Sysmain Service Elevation of Privilege Vulnerability","status":"published","published":"2023-12-12T18:15:20.517Z","modified":"2026-06-17T06:04:55.61Z","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-190"],"updated_at":"2026-11-02T14:08:54.696438Z"}]}}