{"id":"CVE-2026-21733","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-21733","generatedAt":"2026-10-28T09:26:23.403Z","title":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","published":"2026-04-17T17:16:35.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Analyzed","sourceIdentifier":"367425dc-4d06-4041-9650-c2dc6aaa27ce","cvss":{"version":"3.1","score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L"},"cwe":["CWE-280","CWE-20"],"affected":["imaginationtech/ddk"],"epss":{"score":0.00099,"percentile":0.00783,"date":"2026-10-27","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 (0.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","tags":["Vendor Advisory"],"source":"367425dc-4d06-4041-9650-c2dc6aaa27ce"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21733","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."}