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Huntress · SecurityNov 12, 2026, 19:08 UTC yesterday

Microsoft Exchange is Down

InformationalNot disclosedUpdated 5h ago
Nov 12, 19:08 UTCOngoing
Duration
Ongoing
Impact
Informational
Root cause
Not disclosed
Huntress, 90 days
11 incidents
Affected
ITDR
Status page

Final update

We are continuing to monitor this issue with Microsoft as they work to restore access to the Exchange API. Currently, outbound phishing is the only impacted class of detections, and all other data ingest is normal. We will update this status page again when we receive new information from Microsoft.

Timeline

  1. Monitoring · Nov 13, 01:03 UTC
    We are continuing to monitor this issue with Microsoft as they work to restore access to the Exchange API. Currently, outbound phishing is the only impacted class of detections, and all other data ingest is normal. We will update this status page again when we receive new information from Microsoft.
  2. Monitoring · Nov 12, 19:08 UTC
    Microsoft Exchange API is down which will cause delays in outbound phishing detection for Microsoft tenants. We are monitoring the incident and will provide an update when additional context is available.

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