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Exchange

April 2021 Exchange Server Security Updates

Microsoft released several security updates (SUs) for Microsoft Exchange Server to address vulnerabilities. Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect the environment. These vulnerabilities affect Microsoft…

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Exchange

Cumulative Update 9 for Exchange Server 2019

Microsoft released Cumulative Update 9 for Exchange Server 2019 (KB4602570) on March 16, 2021. Also known as Exchange Server 2019 CU9. This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These…

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Exchange

Cumulative Update 20 for Exchange Server 2016

Microsoft released Cumulative Update 20 for Exchange Server 2016 (KB4602569) on March 16, 2021. Also known as Exchange Server 2016 CU20. This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These…

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