Recorded 14 Oct 2026 at 12:55 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.
ContentEngine deadlock because of missing Korean WordBreaker rule files
After you install the September 2026 Security Update for Microsoft Exchange, Exchange environments that process email messages that contain Korean language content might experience one or more of the following symptoms: Search results might be missing; Email delivery might be delayed; MAPI or Outlook clients might become unresponsive, stall, or disconnect.
What it said
- Status
- Resolved in KB5128895
- Published
- 8 Sep 2026
- Product
- Exchange
Recorded links
What changed
First observed 14 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.