The Office 2010 April 2012 Cumulative Updates are now available, please see the links below:
http://support.microsoft.com/kb/2685449
Project Server 2010 Server Roll up package April 2012 CU (Recommended):
http://support.microsoft.com/kb/2598152
Project Server 2010 April 2012 CU (Included in the Server Roll up package):
http://support.microsoft.com/kb/2598272
Project 2010 April 2012 CU:
http://support.microsoft.com/kb/2598274
As always, test these updates on a test environment before deploying to production.