Microsoft Microsoft Exchange Server 2016 Cumulative Update 21

16 published vulnerabilities name this product.

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

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2022-2446315.01.0 – < 15.01.2308.027Microsoft Exchange Server Spoofing VulnerabilityMEDIUM 6.532 %
CVE-2022-2327715.01.0 – < 15.01.2308.027Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 8.841 %
CVE-2022-2196915.01.0 – < 15.01.2308.021Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.01.1 %
CVE-2022-2185515.01.0 – < 15.01.2308.021Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.00.9 %
CVE-2022-2184615.01.0 – < 15.01.2308.021Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.01.1 %
CVE-2021-4232115.01.0 – < 15.01.2308.020Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 8.892 %KEV
CVE-2021-4230515.01.0 – < 15.01.2308.020Microsoft Exchange Server Spoofing VulnerabilityMEDIUM 6.57.9 %
CVE-2021-4134915.01.0 – < 15.01.2308.020Microsoft Exchange Server Spoofing VulnerabilityMEDIUM 6.593 %
CVE-2021-4135015.01.0 – < 15.01.2308.015Microsoft Exchange Server Spoofing VulnerabilityMEDIUM 6.51.9 %
CVE-2021-4134815.01.0 – < 15.01.2308.015Microsoft Exchange Server Elevation of Privilege VulnerabilityHIGH 8.00.6 %
CVE-2021-3445315.01.0 – < 15.01.2308.015Microsoft Exchange Server Denial of Service VulnerabilityHIGH 7.52.8 %
CVE-2021-2642715.01.0 – < 15.01.2308.015Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.60.9 %
CVE-2021-3447015.01.0 – < 15.01.2308.008Microsoft Exchange Server Elevation of Privilege VulnerabilityHIGH 8.04.4 %
CVE-2021-3376815.01.0 – < 15.01.2308.014Microsoft Exchange Server Elevation of Privilege VulnerabilityHIGH 8.01.2 %
CVE-2021-3120615.01.0 – < 15.01.2308.014Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 8.013 %
CVE-2021-3119615.01.0 – < 15.01.2308.014Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.254 %KEV