Carl,
The built-in updater was introduced in CF10 and the mechanism is still the same for CF11. The fix has already been targeted to ColdFusion 11 Update 1. After the update is released, this would no more be a manual stuff.
Till then, I know, its a pain to apply the fix manually. The fix is tested 100% and we just need to wait till ColdFusion 11 Update 1.
Regards,
Anit Kumar