A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka 'Microsoft Browser Memory Corruption Vulnerability'.
affected Windows 7 for 32-bit Systems Service Pack 1 ; affected Windows 7 for x64-based Systems Service Pack 1 ; affected Windows Server 2008 R2 for x64-based Systems Service Pack 1 ; affected Windows 8.1 for 32-bit systems ; affected Windows 8.1 for x64-based systems ; affected Windows Server 2012 R2