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Apexward Pulse
Type Incident

Microsoft

Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide

1 source

At a glance

Low
30-day window, from the last update
Evidence-weighted, not popularity
Why Low

Low rather than Medium: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Microsoft Teams, treat it as Medium.

Briefing

There is no written leader briefing for this story yet. These questions come from the facts we hold.

Questions to ask IT

  • Do we use Microsoft Teams and Microsoft 365, and has anything unusual been seen on it?
  • Would our monitoring spot an attack like this, and who would we call if it did?

Next steps

  1. Confirm whether the affected organisation is a supplier or partner, and what contingency exists

Summary

  • Microsoft is investigating a widespread outage affecting multiple Microsoft 365 services, including Outlook, Microsoft Teams, and Copilot, as users report connectivity problems worldwide.

Read the original reportBleepingComputer(opens in a new tab)

Products and services involved

18 reports

Part of Microsoft vulnerability disclosures and incidents

All 18 reports in this story

Pulse

Last change 2h ago · Recheck overdue since 13 Nov 2026, 00:33 UK time

  1. Story12 Nov 2026, 22:34 UK time · 2h ago

    Linked reporting from BleepingComputer (independent original reporting).

    Read source (BleepingComputer)

1 entry so far. The timeline chart appears once this story has more history.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide

  • ProbableSummary fact75% confidence

    Microsoft is investigating a widespread outage affecting multiple Microsoft 365 services, including Outlook, Microsoft Teams, and Copilot, as users report connectivity problems worldwide.