Microsoft has released new cumulative updates for Exchange Server 2016, Exchange Server 2013, and Exchange Server 2010 SP3 in June 2018.
Patch Your Exchange Servers! Microsoft Releases Update for Exchange Memory Corruption Vulnerability
Microsoft has released a critical security update for a memory corruption vulnerability in all versions of Exchange Server.
Critical Security Update MS13-105 for Exchange Server 2007, 2010, and 2013
Microsoft has released a critical security update for Exchange Server 2007, 2010 and 2013.