Microsoft released Rollup 3 for Exchange Server 2010 RTM (KB981401). This update raises Exchange 2010 version number to 14.0.694.0.

Not many hotfixes included in this rollup, but important ones, including a security fix. Here’s the list of changes included in this rollup:

1. 981832 MS10-024: Vulnerabilities in Microsoft Exchange and Windows SMTP Service could allow denial of service
2. 981664 RPC clients or MAPI on the Middle Tier clients may not receive responses from the mailbox server role on an Exchange 2010 server

To download this rollup, click here. The Exchange versions, builds and dates table has been updated accordingly and can be found here.