Microsoft Exchange Server 2016 Cumulative Update 21 vulnerabilities

2 known vulnerabilities in Microsoft Exchange Server 2016 Cumulative Update 21 from Microsoft. 2 are rated high or critical, and 2 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.8 High severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-42321Nov 10, 2021MicrosoftEPSS 91.7%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 7.2 High severity

  Microsoft Exchange Server Information Disclosure Exploited

  CVE-2021-31196Jul 14, 2021MicrosoftEPSS 54.1%

  Microsoft Exchange Server Remote Code Execution Vulnerability