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."