{"id":"CVE-2018-8449","aliases":["EUVD-2018-20085","GHSA-pf35-ch3j-qpg8"],"status":"published","title":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka ...","description":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka \"Device Guard Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers.","severity":{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03109,"percentile":0.87881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-367"],"published":"2018-09-13T00:00:00Z","modified":"2026-06-17T02:04:54Z","exploits":[{"source":"exploitdb","id":"EDB-45435","title":"Microsoft Windows - 'CiSetFileCache' WDAC Security Feature Bypass TOCTOU","type":"dos","platform":"windows","date":"2018-09-19","verified":true,"url":"https://www.exploit-db.com/exploits/45435"}],"products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"http://www.securitytracker.com/id/1041642","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/105272","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/45435/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8449"},{"url":"https://github.com/advisories/GHSA-pf35-ch3j-qpg8"}],"sources":{"cve":[{"id":"CVE-2018-8449","description":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka \"Device Guard Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36.515Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20085","description":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka \"Device Guard Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-pf35-ch3j-qpg8","title":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka ...","description":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka \"Device Guard Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers.","status":"published","published":"2022-05-13T01:53:42Z","modified":"2023-02-02T05:02:27Z","cvss":[{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:51:26.673587Z"}],"nvd":[{"id":"CVE-2018-8449","description":"A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka \"Device Guard Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows 10 Servers.","status":"published","published":"2018-09-13T00:29:05.287Z","modified":"2026-06-17T02:04:54Z","cvss":[{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:04:40.661264Z"}]}}