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Microsoft Issues Mitigation for Exchange Server Issues Caused by October Windows Updates
Organizations running on-premises Microsoft Exchange Server encountered unexpected stability issues after installing October 2026 Windows Server updates. Microsoft has acknowledged…
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Microsoft Releases Exchange Server Update for Privilege Escalation FlawMicrosoft has released an out-of-band security update to address CVE-2026-96940, a high-severity elevation-of-privilege vulnerability in on-premises Microsoft Exchange Server. This… -
Exchange Server Expands Outlook Support for AD FS Modern AuthenticationOrganizations running Exchange Server entirely on-premises often want stronger, modern authentication methods without adopting Microsoft Entra ID or moving to… -
Microsoft’s Excel Exchange Connector Retirement Could Disrupt Power Query WorkbooksMicrosoft is getting ready to replace the existing Microsoft Exchange connector in Excel Power Query with new Exchange Mail and…
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Microsoft Moves Cross-Tenant Calendar Sharing to Cross-Tenant Access PoliciesMicrosoft is changing how organizations share Free/Busy availability, MailTips, and calendar data across different Microsoft 365 tenants. This change comes…
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Exchange Server SE CU1 Delayed as Microsoft Prioritizes Security FixesIf you’ve been wondering what happened to Exchange SE CU1, you’re not alone. Microsoft has published a new blog post…
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Microsoft’s June 2026 Exchange Server Updates Fix OWA XSS VulnerabilityMicrosoft has rolled out the June 2026 security updates for Exchange Server. These patches are intended to strengthen email security…
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Microsoft Expands ESU Program for Legacy Exchange and Skype for BusinessMicrosoft has committed to providing security updates for all old versions of Exchange Server and Skype for Business. This new…
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CISA and NSA Outline New Security Best Practices for Microsoft Exchange ServersThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have issued updated guidance to help…
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Microsoft Exchange Server Security Flaw Opens Door to Admin Privilege EscalationMicrosoft has issued an advisory warning customers of a critical security flaw in Exchange Server hybrid deployments. The vulnerability could…
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Microsoft to Block Legacy Exchange Public Folder MigrationsMicrosoft is phasing out support for native public folder migrations from Exchange Server 2010 and earlier to Exchange Online. Organizations…
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Microsoft Announces Extended Security Update Program for Skype for Business 2015/2019 and Exchange 2016/2019Microsoft has announced an Extended Security Update program for Exchange 2016 and 2019, as well as Skype for Business 2015…
