| EX1227432 | Exchange Online | Some users’ legitimate email messages may be marked as phishing and quarantined in Exchange Online |
|---|
| Status | postIncidentReviewPublished |
|---|---|
| Classification | incident |
| User Impact | Users’ legitimate email messages may have been marked as phishing and quarantined in Exchange Online. |
| Last Updated | 02/17/2026 00:52:15 |
| Start Time | 02/05/2026 00:26:00 |
| End Time | 02/12/2026 14:00:00 |
| Latest Message | A post-incident report has been published. |
| Machine Translation | 事後報告書が公開されています。 |