Ancillary Function Driver (afd.sys) manages the Winsock TCP/IP communications protocol. Microsoft Windows is exposed to multiple local privilege escalation issues that affect the Ancillary Function Driver component. Specifically, this issue occurs because the "afd.sys" driver improperly validates the input data received from the user mode. All supported editions of Windows XP (except x86-based), Windows Server 2003, Windows Vista (except x86-based), Windows Server 2008 (except x86-based), Windows 7 (except x86-based) and Windows Server 2008 R2 are vulnerable.
12.7.1 - CVE: CVE-2012-0149,CVE-2012-0148