| DZ1299600 | Microsoft Defender XDR | Some users may receive false positive alerts from Microsoft Defender Antivirus for specific certificates |
|---|
| Status | postIncidentReviewPublished |
|---|---|
| Classification | incident |
| User Impact | Users received false positive alerts from Defender Antivirus and see legitimate files or certificates quarantined. |
| Last Updated | 05/07/2026 18:35:46 |
| Start Time | 05/03/2026 08:52:00 |
| End Time | 05/04/2026 00:44:53 |
| 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。 |