We have an ASP.NET MVC 4 solution with a couple of references that has been building without problems for about 2 years now. However, after installing KB2993928 and KB2993937 th
The security updates update the assembly version of system.web.mvc.dll. You need to update your csproject to correct the version. Check this post:
ASP.NET MVC security patch to version 3.0.0.1 breaks build