Released: June 2015 Exchange Cumulative Update and Update Rollups
Microsoft has announced the availability of latest quarterly updates for Exchange Server 2013, Exchange Server 2010 Service Pack 3 and Exchange Server 2007 Service Pack 3 products.
Refer to the link for more details: https://blogs.technet.com/b/exchange/archive/2015/06/16/released-june-2015-exchange-cumulative-update-and-update-rollups.aspx