https://technet.microsoft.com/en-us/library/security/MS15-041
Remove old update replace ;
KB3037581 replace KB2901126
So ;
Remove KB2901126
Windows 7 for 32-bit Systems Service Pack 1
(3046306)
Remote Code Execution
Critical
2876331 in MS13-089
Windows 7 for x64-based Systems Service Pack 1
(3046306)
Remote Code Execution
Critical
2876331 in MS13-089
REmove Update KB2876331