05-02-2021 12:02:29 PM (GMT)
Issue Reported: 05/02/2021 05:30:00 AM
Issue Status: RESOLVED
Issue Description: We are aware of an issue whereby some users may see incoming external email with attachments unexpectedly flagged as malware in Exchange Online and sent to quarantine erroneously
Current Update – 05/02/2021 12:02:00 PM: Microsoft reprocessed the affected email messages which successfully releases them from quarantine and new external email messages sent are not being improperly flagged, mitigating impact.