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 0x7000014 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.