microsoft / Microsoft Exchange Server 2019 Cumulative Update 1

4 vulnerabilities across affected versions.

CVE-2021-26855CRITICAL9.115.02.0 – 15.01.1979.006

CVE-2021-26857HIGH7.815.02.0 – 15.01.1979.006

CVE-2021-26858HIGH7.815.02.0 – 15.01.1979.006

CVE-2021-27065HIGH7.815.02.0 – 15.01.1979.006