Microsoft: Classic Outlook bug prevents opening encrypted emails
ID: 4fc90ac2-b571-54fe-abb1-2af650b28ad3
STIX ID: report--4fc90ac2-b571-54fe-abb1-2af650b28ad3
Feed Name: Bleeping Computer
Microsoft is investigating a bug in classic Outlook (Current Channel Version 2511, Build 19426.20218) that prevents recipients from opening “Encrypt Only” emails, showing a message_v2.rpmsg attachment instead; temporary workarounds include saving the email after encryption before sending or rolling back to version 16.0.19426.20186, with a permanent fix pending, and the article also references other recent Outlook/Exchange issues and mitigations.
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