dxgkrnl.sys in the DirectX Graphics kernel subsystem in the kernel-mode drivers in Microsoft Windows 7 SP1 Windows Server 2008 R2 SP1 Windows 8.1 Windows Server 2012 Gold and R2 Windows RT 8.1 and Windows 10 Gold and 1511 allows local users to gain privileges via a crafted application aka \Microsoft DirectX Graphics Kernel Subsystem Elevation of Privilege Vulnerability.\