Cyber Intelligence

Microsoft Exchange Online outage causes email failures, auth issues

Medium Severity Global
Date Occurred Aug 31, 2026 16:56 UTC
Event Type Cyber Intelligence
Source BleepingComputer
Recorded Aug 31, 2026
Full Description

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

Original Source
https://www.bleepingcomputer.com/news/microsoft/microsoft-exchange-online-outage-causes-email-failures-auth-issues/
Event Metadata
  • ID #27899
  • Type Cyber Intelligence
  • Region Global
  • Severity Medium
  • Indexed Aug 31, 2026
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