{"id":"CVE-2021-1117","aliases":["EUVD-2021-6584","GHSA-c663-86cm-fc8f"],"status":"published","title":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for...","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00191,"percentile":0.08802,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-129"],"published":"2021-10-27T20:35:15Z","modified":"2026-06-17T03:30:59Z","products":[{"vendor":"nvidia","product":"gpu_display_driver"},{"vendor":"nvidia","product":"nvidia gpu display driver"}],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5230","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1117"},{"url":"https://github.com/advisories/GHSA-c663-86cm-fc8f"}],"sources":{"cve":[{"id":"CVE-2021-1117","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","status":"published","published":"2021-10-27T20:35:15Z","modified":"2024-08-03T15:55:18.525Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-6584","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","status":"published","published":"2021-10-27T20:35:15Z","modified":"2024-08-03T15:55:18Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:25:15.150715Z"}],"ghsa":[{"id":"GHSA-c663-86cm-fc8f","title":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for...","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","status":"published","published":"2022-05-24T19:18:53Z","modified":"2023-01-30T05:03:29Z","cwes":["CWE-129"],"updated_at":"2026-11-02T14:46:50.963031Z"}],"nvd":[{"id":"CVE-2021-1117","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","status":"published","published":"2021-10-27T21:15:07.553Z","modified":"2026-06-17T03:30:59.52Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}