{"id":"CVE-2018-8417","aliases":["EUVD-2018-20053","GHSA-v9q5-95vx-2g47"],"status":"published","title":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker...","description":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka \"Microsoft JScript Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02019,"percentile":0.8108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-11-14T01:00:00Z","modified":"2026-06-17T02:04:49Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8417","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1042120","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/105795","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8417"},{"url":"https://github.com/advisories/GHSA-v9q5-95vx-2g47"}],"sources":{"cve":[{"id":"CVE-2018-8417","description":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka \"Microsoft JScript Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T06:54:36.438Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20053","description":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka \"Microsoft JScript Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:03.169087Z"}],"ghsa":[{"id":"GHSA-v9q5-95vx-2g47","title":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker...","description":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka \"Microsoft JScript Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.","status":"published","published":"2022-05-13T01:53:41Z","modified":"2023-02-02T05:02:14Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T14:51:23.375018Z"}],"nvd":[{"id":"CVE-2018-8417","description":"A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka \"Microsoft JScript Security Feature Bypass Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.","status":"published","published":"2018-11-14T01:29:00.473Z","modified":"2026-06-17T02:04:49.427Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:47.196456Z"}]}}