Exchange Team has released Quarterly Exchange Updates

11; A new on the web compose experience
– Support for .Net 4.6.2
– Change to Pre-Requisites installed by Setup
on support KB3206632
– Latest time zone updates
– Important fix included in these releases

Cumulative Update 4 (KB3177106), Download, UM Lang Packs
Cumulative 5 (KB3197044), Download, UM Lang Packs
(KB3184730), Download
Exchange 2007 Update Rollup 22 (KB3184712), Download