MEDIUMVulnerability
Global

Microsoft Exchange Online outage causes email failures, auth issues

·Source: BleepingComputer

Updated:

Executive Summary

Microsoft is investigating a widespread service issue causing authentication issues and email delays and failures for Exchange Online customers. [...]

Analysis

Microsoft is investigating a widespread service issue causing authentication issues and email delays and failures for Exchange Online customers. [...]
Source Attribution

Originally published by BleepingComputer on Aug 31, 2026.

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