The DSA_InsertItem function in Comctl32.dll in the Windows common control library in Microsoft Windows XP SP2 Windows Server 2003 SP2 Windows Vista SP2 Windows Server 2008 SP2 and R2 SP1 Windows 7 SP1 Windows 8 Windows Server 2012 and Windows RT does not properly allocate memory which allows remote attackers to execute arbitrary code via a crafted value in an argument to an ASP.NET web application aka \Comctl32 Integer Overflow Vulnerability.\