The Exchange team released the following updates for Exchange server.
Today we are announcing the latest set of Cumulative Updates for Exchange Server 2016 and Exchange Server 2013. In addition to normal fixes to customer reported issues, these releases also include updated functionality.
Exchange Server 2013 Cumulative Update 13 are available on the Microsoft Download Center.
- Exchange Server 2016 Cumulative Update 2 does include updates to Active Directory Schema
- Exchange Server 2013 Cumulative Update 13 does not include updates to Active Directory, but may add additional RBAC definitions to your existing configuration
for the complete article see Technet