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Simultaneous Outage Hits Major AI Services Worldwide

September 3, 2026
oecd:2026-09-03-6aa1View source ↗

What happened

On June 3, 2024, major AI services including OpenAI's ChatGPT, Anthropic's Claude, xAI's Grok, and coding tool Cursor experienced simultaneous outages, disrupting access for users globally. The cause, possibly linked to Microsoft Azure, remains unconfirmed. Services were restored after several hours, but the incident caused significant inconvenience.

Reported impact

Affected parties
Not publicly disclosed
Harm type
Not publicly disclosed
Scale
Not publicly disclosed
Financial impact
Not publicly disclosed
Regulatory action
Not publicly disclosed

Classification

Organization
Not publicly disclosed
AI system
Not publicly disclosed
Industry
Not publicly disclosed
Country
Not publicly disclosed
Provider
Not publicly disclosed
Incident type
Not publicly disclosed

Relevant governance controls

Governance control mapping is not available for this record.

  • No controls mappedNot publicly disclosed

Control mapping is analytical. It does not state that any control would have prevented the incident.

Sources and evidence

OECD AI Incidents Monitor
Primary source
Simultaneous Outage Hits Major AI Services Worldwide
2026-09-03