Microsoft security updates, critical updates, hotfixes, etc. are often encapsulated inside of MSU files (Microsoft Update Standalone Packages).  You can install an MSU file in silent mode with the following commands:

wusa.exe windows6.1-kb2964487-x64.msu /quiet /norestart

For additional information about MSUs and available switches, check out https://support.microsoft.com/en-us/kb/934307