Outlook users faced a frustrating start to the work week thanks to an issue with Microsoft Exchange Online.

CVE-2026-62911 Exchange Server flaw lets attackers seize all mailboxes with no password: nearly 22,000 servers remain unpatched worldwide three weeks after Microsoft's August fix shipped, 85 percent ...

Microsoft Exchange Server SE CU1 remains without a firm release date as AI-assisted security reviews add to testing and patching work.

Mashable reports that thousands of Microsoft Outlook users reported issues with the platform on Monday morning. The majority of these issues were related to receiving messages, Mashable states.

Microsoft Outlook users are reporting issues, most are about receiving emails.

"We're continuing to deploy our mitigation across the affected environment and users should begin to see gradual recovery to mail flow," the official Microsoft 365 status account wrote on X. "In ...

The emergency patches for the recently disclosed critical vulnerabilities in Microsoft Exchange email server did not come soon enough and organizations had little time to prepare before en masse ...

Microsoft Exchange Server is Microsoft's email, calendaring, contact, scheduling and collaboration platform. It's deployed on the Windows Server operating system (OS) for business use. Microsoft ...

Is Microsoft Outlook down? Here's what we know about the outage.

On August 31, 2026, CNBC reported that Microsoft Corporation (NASDAQ:MSFT) suffered a widespread Outlook and Exchange Online ...

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 ...