For the NVIDIA Quadro, NVS, and GeForce products, NVIDIA Windows GPU Display Driver R340 before 342.00 and R375 before 375.63 contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgDdiEscape ID 0x100009a where a value passed from an user to the driver is used without validation as the index to an internal array, leading to denial of service or potential escalation of privileges.