{"id":"CVE-2026-45203","title":"Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver c…","summary":"Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver c…","severity":"none","cwe":["CWE-367"],"published":"2026-07-10","updated":"2026-07-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45203","references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","label":"367425dc-4d06-4041-9650-c2dc6aaa27ce"}],"tags":["nvd"],"epss":0.00125,"epssPercentile":0.02529,"ingestedAt":"2026-07-11T20:15:26.874Z","slug":"CVE-2026-45203","body":"## Overview\n\nKernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}