Microsoft released today Service Pack 1 for Office 2013. It’s the first service pack for their Office 2013 and it contains all previous updates and fixes, among new ones. Here’s the full description of the service pack.
Microsoft just released the Service Pack 2 for Office 2010. It is a roll-up of all previous updates and bug fixes. You can read the official description and improvements here. The 32-bit version weights 638.2 MB and the 64-bit version is 730.4 MB.