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Microsoft 365 outage traced to Exchange servers, company rules out cyberattack
The disruption hit corporate services and AI tools tied to the suite, affecting millions of accounts, according to CriptoNoticias.
Key takeaways
- Microsoft 365 services were disrupted by internal failures in Exchange servers, CriptoNoticias reported on 13 November 2026.
- The outage affected millions of accounts and reached corporate services and AI tools linked to the suite.
- Microsoft said the incident was not a cyberattack, according to the report.
- The report did not specify how long the disruption lasted or which regions were affected.
What happened
An outage in Microsoft 365 interrupted corporate services and AI tools connected to the suite, CriptoNoticias reported on 13 November 2026. The report said the incident originated in internal failures on Exchange servers and affected millions of accounts.
Microsoft ruled out a cyberattack as the cause, according to the same report. The company has not been quoted directly in the material available here.
What is not yet known
The report did not say how long the disruption lasted, which regions or customers were hit hardest, or whether all services have been restored. It also did not detail which AI tools were affected or how they depend on the Microsoft 365 infrastructure.
No statement from Microsoft on the scope of the incident or on any remediation steps was included in the source material.
Sources
1 reportThis article was prepared by BattleTown Newsroom from the reports listed above.
Frequently asked questions
What caused the Microsoft 365 outage?
According to CriptoNoticias, the disruption originated in internal failures on Exchange servers. Microsoft ruled out a cyberattack, the report said.
How many accounts were affected?
The report said millions of accounts were affected, without giving a precise figure.
This story is for information only. It is not financial, investment or legal advice. Disclaimer
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