{"id":"CVE-2021-1091","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-1091","generatedAt":"2026-10-27T21:19:04.555Z","title":"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…","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.","published":"2021-07-22T05:15:08.000Z","lastModified":"2026-06-17T03:30:57.000Z","status":"Modified","sourceIdentifier":"psirt@nvidia.com","cvss":{"version":"3.1","score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},"cwe":["CWE-59"],"affected":["nvidia/gpu display driver"],"epss":{"score":0.0026,"percentile":0.17598,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5211","tags":["Patch","Vendor Advisory"],"source":"psirt@nvidia.com"},{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5211","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1091","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}