there is Secunia PSI (Personal Software Inspector) for managing patches and updates on already installed programs:
The Secunia PSI is a free security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Attacks exploiting vulnerable programs and plug-ins are rarely blocked by traditional anti-virus and are therefore increasingly "popular" among criminals.
The only solution to block these kind of attacks is to apply security updates, commonly referred to as patches. Patches are offered free-of-charge by most software vendors, however, finding all these patches is a tedious and time consuming task. Secunia PSI automates this and alerts you when your programs and plug-ins require updating to stay secure.
Not my program, but have used in the past, and it does a pretty good job of finding software that needs to be updated...It's worth a try!
