{"id":"CVE-2021-1091","aliases":["EUVD-2021-6558","GHSA-4vj4-g3hp-pfw5"],"status":"published","title":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can...","description":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0026,"percentile":0.1786,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2021-07-22T04:25:29Z","modified":"2026-06-17T03:30:56Z","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/5211","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1091"},{"url":"https://github.com/advisories/GHSA-4vj4-g3hp-pfw5"}],"sources":{"cve":[{"id":"CVE-2021-1091","description":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.","status":"published","published":"2021-07-22T04:25:29Z","modified":"2024-08-03T15:55:18.572Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-6558","description":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.","status":"published","published":"2021-07-22T04:25:29Z","modified":"2024-08-03T15:55:18Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:15.150715Z"}],"ghsa":[{"id":"GHSA-4vj4-g3hp-pfw5","title":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can...","description":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.","status":"published","published":"2022-05-24T19:09:03Z","modified":"2023-01-30T05:00:57Z","cwes":["CWE-59"],"updated_at":"2026-11-02T14:46:18.635114Z"}],"nvd":[{"id":"CVE-2021-1091","description":"NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.","status":"published","published":"2021-07-22T05:15:07.77Z","modified":"2026-06-17T03:30:56.66Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:06:56.185362Z"}]}}