Today the Exchange CXP team released the following update rollups to the Download Center. All three releases cover Security Bulletin MS12-080. Because this is a security release, the updates will also be available on Microsoft Update.
Update Rollup 8 for Exchange Server 2010 Service Pack 1
Update Rollup 9 for Exchange Server 2007 Service Pack 3
Download: Update Rollup 8 for Exchange Server 2010 Service Pack 1
Download: Update Rollup 9 for Exchange Server 2007 Service Pack 3