Pointer corruption in Unified Shader Compiler in Intel Graphics Drivers before 10.18.x.5056 (aka 15.33.x.5056), 10.18.x.5057 (aka 15.36.x.5057) and 20.19.x.5058 (aka 15.40.x.5058) may allow an unauthenticated remote user to potentially execute arbitrary WebGL code via local access.