Microsoft Microsoft Exchange Server 2016 Cumulative Update 11

4 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2021-27065Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.8100 %KEV
CVE-2021-2685815.01.0 – < 15.01.1591.018Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.894 %KEV
CVE-2021-26857Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.896 %KEV
CVE-2021-2685515.01.0 – < 15.01.1591.018Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.8100 %KEV