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Practical 365

Microsoft Releases November 2021 Security Updates for Exchange Server

November 9, 2021 by Tony Redmond 16 Comments

Microsoft has issued security updates for Exchange 2013, 2016, and 2019. The updates can only be applied to servers running up-to-date cumulative updates. Organizations running Exchange 2016 or 2019 should apply the updates as a matter of urgency because of a known vulnerability circulating in the wild.

Blog, Exchange Server CVE-2021-42321, Exchange 2013, Exchange 2016, Exchange 2019, Security Updates

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