On December 8, 2020 Microsoft released a number of security updates for Exchange server. Despite the fact that Exchange 2010 is out of support at all, an important security update for Exchange 2010 was released as well.
|Exchange version||KB Article||Download|
|Exchange 2010 SP3 RU31||KB4593467||Download|
|Exchange 2013 CU23||KB4593466||Download|
|Exchange 2016 CU17||KB4593465||Download|
|Exchange 2016 CU18||KB4593465||Download|
|Exchange 2019 CU6||KB4593465||Download|
|Exchange 2019 CU7||KB4593465||Download|
- The security updates are specific for each Cumulative Updates.
- The upcoming CU’s for Exchange 2016 and Exchange 2019 will contain this security fix.
- Install the security updates from an elevated command prompt.