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

Microsoft has reminded administrators again that Exchange 2016 and Exchange 2019 will reach the end of extended support next ...

Microsoft has released updates to address four previously unknown or 'zero-day' vulnerabilities in Exchange Server that were being used in limited targeted attacks, according to Microsoft. Microsoft ...

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

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, ...

According to Check Point Research (CPR), threat actors are actively exploiting four zero-day vulnerabilities tackled with emergency fixes issued by Microsoft on March 2-- and attack attempts continue ...

‘Attackers are actively scanning for vulnerable Microsoft Exchange servers and abusing the latest line of Microsoft Exchange vulnerabilities that were patched earlier this year,’ says Huntress threat ...

Volexity has seen active in-the-wild exploitation of multiple Microsoft Exchange vulnerabilities used to steal email and compromise networks, and the attacks appear to have begun as early as Jan. 6.

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 ...

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name.