Security Advisory
CVE-2026-45203
7.8
HIGH
Vulnerability Description
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.
A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.
Published Date
July 10, 2026
Official Source
NIST NVD Advisory