
Tech News
Microsoft confirms October Windows updates break Exchange Server email services
Windows Server security updates from October 13, 2026, are disrupting Exchange Server mail flow and web access on some on-premises systems.
Everything Threat Times has reported about Exchange Server: 2 stories, newest first. Part of our Tech News coverage.

Windows Server security updates from October 13, 2026, are disrupting Exchange Server mail flow and web access on some on-premises systems.

A new cross-site scripting vulnerability in Microsoft Exchange Server allows unauthorized attackers to perform network spoofing, earning a critical severity rating.