{"id":"CVE-2018-8399","aliases":["EUVD-2018-20037","GHSA-486m-xpj8-rrcf"],"status":"published","title":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...","description":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01164,"percentile":0.67467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2018-08-15T17:00:00Z","modified":"2026-06-17T02:04:46Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8399","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1041466","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/104998","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8399"},{"url":"https://github.com/advisories/GHSA-486m-xpj8-rrcf"}],"sources":{"cve":[{"id":"CVE-2018-8399","description":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.","status":"published","published":"2018-08-15T17:00:00Z","modified":"2024-08-05T06:54:36.328Z","updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2018-20037","description":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.","status":"published","published":"2018-08-15T17:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:03.169087Z"}],"ghsa":[{"id":"GHSA-486m-xpj8-rrcf","title":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...","description":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.","status":"published","published":"2022-05-13T01:53:40Z","modified":"2023-02-02T05:02:23Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:51:25.546182Z"}],"nvd":[{"id":"CVE-2018-8399","description":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.","status":"published","published":"2018-08-15T17:29:09.19Z","modified":"2026-06-17T02:04:46.753Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:04:36.842579Z"}]}}