Exchange 2019, 2016 and 2013 Security Updates for February 2023

Security updates have been released for Exchange 2013, Exchange 2016 and Exchange 2019.

The updates fix the following vulnerabilities;

None of the vulnerabilities are currently publicly disclosed or exploited. However, the first 3 vulnerabilities are rated as “Exploitation More Likely” so make sure you update as soon as possible!

The updates also contain the following non-security issues;

View: Exchange Blog: Released: February 2023 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: February 14, 2023 (KB5023038)

Download: Security Update for Exchange 2019 CU11 and CU12
Download: Security Update for Exchange 2016 CU23
Download: Security Update for Exchange 2013 CU23 (support ends on April 11, 2023)