The Ancillary Function Driver (AFD) in afd.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 allows local users to obtain sensitive information from kernel memory by leveraging improper copy operations, aka "Ancillary Function Driver Information Disclosure Vulnerability."