Microsoft / Microsoft Exchange Server 2016 Cumulative Update 21

5 vulnerabilities across affected versions.

CVE-2022-21846CRITICAL9.015.01.0 – 15.01.2308.021

CVE-2022-21855CRITICAL9.015.01.0 – 15.01.2308.021

CVE-2022-21969CRITICAL9.015.01.0 – 15.01.2308.021

CVE-2022-23277HIGH8.815.01.0 – 15.01.2308.027

CVE-2022-24463MEDIUM6.515.01.0 – 15.01.2308.027