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Vulnerabilities of Microsoft Microsoft Exchange Server 2016 Cumulative Update 20

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CVE Summary Score Published
CVE-2021-34523 Exploited Microsoft Exchange Server Privilege Escalation Vulnerability 9.0 Critical Jul 14, 2021
CVE-2021-34473 Exploited Microsoft Exchange Server Remote Code Execution Vulnerability 9.1 Critical Jul 14, 2021
CVE-2021-28483 Microsoft Exchange Server Remote Code Execution Vulnerability 9.0 Critical Apr 13, 2021
CVE-2021-28481 Microsoft Exchange Server Remote Code Execution Vulnerability 9.8 Critical Apr 13, 2021
CVE-2021-28480 Microsoft Exchange Server Remote Code Execution Vulnerability 9.8 Critical Apr 13, 2021

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