Microsoft Microsoft Exchange Server 2016 Cumulative Update 21

• CVE-2021-42321 High 8.8 Exploited Microsoft Exchange Server Remote Code Execution Vulnerability 91.7%
• CVE-2021-31196 High 7.2 Exploited Microsoft Exchange Server Remote Code Execution Vulnerability 54.1%
• CVE-2022-24463 Medium 6.5 Microsoft Exchange Server Spoofing Vulnerability 31.8%
• CVE-2022-23277 High 8.8 Microsoft Exchange Server Remote Code Execution Vulnerability 41.1%
• CVE-2022-21969 Critical 9.0 Microsoft Exchange Server Remote Code Execution Vulnerability 1.1%
• CVE-2022-21855 Critical 9.0 Microsoft Exchange Server Remote Code Execution Vulnerability 0.9%
• CVE-2022-21846 Critical 9.0 Microsoft Exchange Server Remote Code Execution Vulnerability 1.1%
• CVE-2021-42305 Medium 6.5 Microsoft Exchange Server Spoofing Vulnerability 7.9%
• CVE-2021-41349 Medium 6.5 Microsoft Exchange Server Spoofing Vulnerability 93.5%
• CVE-2021-41350 Medium 6.5 Microsoft Exchange Server Spoofing Vulnerability 1.9%
• CVE-2021-41348 High 8.0 Microsoft Exchange Server Elevation of Privilege Vulnerability 0.6%
• CVE-2021-34453 High 7.5 Microsoft Exchange Server Denial of Service Vulnerability 2.8%
• CVE-2021-26427 Critical 9.0 Microsoft Exchange Server Remote Code Execution Vulnerability 0.9%
• CVE-2021-34470 High 8.0 Microsoft Exchange Server Elevation of Privilege Vulnerability 4.4%
• CVE-2021-33768 High 8.0 Microsoft Exchange Server Elevation of Privilege Vulnerability 1.2%
• CVE-2021-31206 High 7.6 Microsoft Exchange Server Remote Code Execution Vulnerability 13.0%