CVE-2026-45203

EUVD-2026-43043
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.
TOCTOU
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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