Microsoft warns of a critical Exchange Server flaw that could let attackers hijack browsers through emails, with full fixes locked behind paid support for some.
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Microsoft begins ESU Period 2 sales for some legacy software, giving customers limited, paid security coverage as migration pressure grows.
Microsoft has released HUs for Exchange Server SE, 2016, and 2019 to fix an issue impacting numerous customers.
Microsoft has released August 2025 Security Updates (SUs) for Exchange Server deployments, containing fixes for the recent, high-severity CVE-2025-53786 flaw.
Microsoft has put out a rather sternly worded advisory urging customers to complete public folder migrations from legacy versions of Exchange as soon as possible.
Microsoft has released Exchange Server SE. It's encouraging all Exchange Server 2016 and 2019 operators to do the low-risk upgrade now, before those old versions lose support in October.
Microsoft has announced that it will end all of its software and update support for Office 2016 and Office 2019 apps, plus its many related productivity servers, on October 14, 2025.
Microsoft has recommended IT admins to remove certain objects from antivirus exclusions in Exchange Server environments. This will result in a better cybersecurity posture for your organization.
Support for Microsoft Exchange Server 2013 is ending in less than two months. Microsoft is recommending upgrading to Exchange Server 2019 or migrating to the managed Exchanged Online.
Microsoft has rolled out January 2023's Security Updates (SUs) for support versions of Exchange Server. They include better security for PowerShell payloads, along with a known bug for OWA.
Microsoft has issued an advisory about two 0-day vulnerabilities affecting on-premises installations of Exchange Server. Unfortunately, no fix is available yet but there are a couple of mitigations.
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Microsoft has announced that the next version of Exchange Server will now launch in 2025. It has blamed cyberattacks on on-premises Exchange servers for making it miss the initial 2021 deadline.
