Description of the security update for Microsoft Exchange Server 2019: July 13, 2021 (KB5004780)
Description of the security update for Microsoft Exchange Server 2016: July 13, 2021 (KB5004779)
Description of the security update for Microsoft Exchange Server 2013: July 13, 2021 (KB5004778)
CVE-2021-34473
CVE-2021-31206
Exchange Server - Remote Code Execution
Patch Tuesday - July 2021