Microsoft 365 outage, 26 October 2026

Users may be unable to access Microsoft Copilot in Microsoft 365

Started
Status
Ongoing: Investigating
Impact
Minor
Affected
Microsoft Copilot

Is this still happening?

Yes. Microsoft 365 still lists it as investigating; last update 26 Oct 2026, 13:19 UTC.

Right now: Microsoft 365 reports degraded performance on some systems. (as of 26 Oct, 13:23 UTC) Live Microsoft 365 status

Last update from Microsoft 365

User impact: Users may be unable to access Microsoft Copilot in Microsoft 365. Current status: We’ve identified that a recent service update contained a code defect that restricted some requests to the same region as the deployed service, resulting in request failures. We’ve prepared a fix and plan to deploy it through our standard service update process. Scope of impact: Your organization is affected by this event, and any user attempting to access Microsoft Copilot in Microsoft 365 may be impacted. Start time: Tuesday, October 20, 2026, at 1:00 PM UTC Root cause: A recent service update contained a code defect that restricted some requests to the same region as the deployed service, result...

26 Oct 2026, 13:19 UTC

Read the full incident on the official Microsoft 365 status page