CVE-2026-21734
HighCVSS 7.7Exploitation Probability (EPSS)
Low risk2th percentile — higher than 2% of all known CVEs
Summary
A vulnerability in the GPU shader compiler allows an out-of-bounds write by loading a web page with specially crafted GPU shader code. This can cause a segmentation fault in the compiler under certain conditions.
Risk Assessment
If the compiler process runs with system privileges, an attacker could exploit this vulnerability for privilege escalation and device compromise.
Recommendation
Immediately update GPU drivers and the shader compiler software to the latest version provided by the vendor. Restrict running the compiler process with elevated privileges.
Original NVD description (English source)
A web page that contains unusual GPU shader code is loaded into the GPU compiler process and can trigger a write out-of-bounds write crash in the GPU shader compiler library. On certain platforms, when the compiler process has system privileges this could enable further exploits on the device. An edge case using a very small value in GPU shader code can cause a segmentation fault in the GPU shader compiler due to am out-of-bounds write.