Microsoft’s September 2025 Exchange Server Hotfix Updates fix hybrid app issues, with support for SE, 2019, and 2016 versions ...

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Microsoft says that it has mitigated an Exchange Online outage affecting customers worldwide, which blocked their access to ...

The latest Patch Tuesday security update from Microsoft rolled out August 8, complete with six critical reasons to install it as soon as possible. When it came to certain Exchange Server admins, ...

Microsoft on Thursday cleared up the mystery surrounding its next Exchange Server release plans, as described in an "Exchange Server Roadmap Update" announcement. Like SharePoint Server and Project ...

Microsoft sounded the alarm on a hybrid Exchange bug in early August 2025 However almost 30,000 instances remain vulnerable Microsoft has advised users how to defend their endpoints, so patch now ...

Microsoft finds high-severity flaw in hybrid Exchange instances Both Exchange Server 2016 and Exchange Server 2019 are affected, and so is Microsoft Exchange Server Subscription Edition A hotfix is ...

Microsoft has released its final cumulative update (CU) for Exchange Server 2019, which means customers need to get ready to upgrade or move to hosted Exchange. Enterprises still hosting on-premises ...

Attackers are currently exploiting two unpatched vulnerabilities to remotely compromise on-premises Microsoft Exchange servers. Microsoft confirmed the flaws late last week and published mitigation ...

Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email.