Product · Microsoft

Microsoft Exchange Server 2016 Cumulative Update 21

16 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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High 8.8

CVE-2021-42321 Exploited · Ransomware Public exploit EPSS 92%

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 Microsoft Exchange Server 2016 Cumulative Update 22 Microsoft Exchange Server 2019 Cumulative Update 10

Nov 10, 2021
KEV Nov 17, 2021