Version 12.0.4 does not include Spectre/Meltdown mitigations found in later 2013 updates (12.0.40664). If you are running sensitive financial or military software, you should use the latest 2013 redistributable, not 12.0.4. For gaming or standard desktop apps, 12.0.4 is stable and secure enough.
You need the exact 12.0.4 build only if: microsoft visual c 2013 redistributable x86 12.0.4