{"id":"CVE-2018-8253","aliases":["EUVD-2018-19919","GHSA-vr2w-wm3v-j642"],"status":"published","title":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website...","description":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka \"Microsoft Cortana Elevation of Privilege Vulnerability.\" This affects Windows Server 2016, Windows 10.","severity":{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0193,"percentile":0.8014,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-08-15T17:00:00Z","modified":"2026-06-17T02:04:30Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"http://www.securitytracker.com/id/1041477","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/105009","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8253"},{"url":"https://github.com/advisories/GHSA-vr2w-wm3v-j642"}],"sources":{"cve":[{"id":"CVE-2018-8253","description":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka \"Microsoft Cortana Elevation of Privilege Vulnerability.\" This affects Windows Server 2016, Windows 10.","status":"published","published":"2018-08-15T17:00:00Z","modified":"2024-08-05T06:46:13.802Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-19919","description":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka \"Microsoft Cortana Elevation of Privilege Vulnerability.\" This affects Windows Server 2016, Windows 10.","status":"published","published":"2018-08-15T17:00:00Z","modified":"2024-08-05T06:46:13Z","updated_at":"2026-11-03T02:40:03.749866Z"}],"ghsa":[{"id":"GHSA-vr2w-wm3v-j642","title":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website...","description":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka \"Microsoft Cortana Elevation of Privilege Vulnerability.\" This affects Windows Server 2016, Windows 10.","status":"published","published":"2022-05-13T01:53:36Z","modified":"2023-02-02T05:02:18Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:51:24.429027Z"}],"nvd":[{"id":"CVE-2018-8253","description":"An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka \"Microsoft Cortana Elevation of Privilege Vulnerability.\" This affects Windows Server 2016, Windows 10.","status":"published","published":"2018-08-15T17:29:03.097Z","modified":"2026-06-17T02:04:30.9Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:04:36.842579Z"}]}}