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Apexward Pulse
Type Incident

Microsoft

What we know about the global Microsoft outage

1 source

At a glance

Medium
7-day window, from the last update
Evidence-weighted, not popularity
Why Medium

Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If it touches your systems or suppliers, treat it as High.

Briefing

  • IT leaders should monitor Microsoft's updates and assess the impact on business operations, particularly regarding email and calendar services.
  • Businesses should consider alternative communication methods for critical operations given the reported service disruptions.

Questions to ask IT

  • Does this reporting name any supplier, product or service we rely on?
  • 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 experiencing a global outage that has disrupted services such as email, file access, and calendar functionality, with efforts to resolve the issue proving largely unsuccessful.
  • Customers are reporting varying levels of access issues, with some unable to send or receive emails, view certain files, or access calendar details.
  • Several UK GP practices have warned of potential problems, advising patients to use phone calls instead of email or web forms for urgent queries.

Read the original reportBBC News Technology(opens in a new tab)

21 reports

Part of The SignDrop zero-day exploit

All 21 reports in this story

Pulse

Last change 2h ago · Recheck overdue since 13 Nov 2026, 10:12 UK time

  1. Story13 Nov 2026, 08:12 UK time · 2h ago

    Linked reporting from BBC News Technology (independent original reporter).

    Read source (BBC News Technology)

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

    What we know about the global Microsoft outage

  • ProbableSummary fact75% confidence

    Microsoft has said the outage was not caused by a cyber-security incident, but efforts to fix the issues have so far been largely unsuccessful.