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Microsoft confirms a bug that let Microsoft 365 Copilot summarize confidential emails from Sent Items and Drafts folders, and deployed a fix in early February

Microsoft says a Microsoft 365 Copilot bug has been causing the AI assistant to summarize confidential emails since late January …

BleepingComputer Sergiu Gatlan

Discussion

  • @hypervisible.blacksky.app @hypervisible.blacksky.app on bluesky
    The bug “allowed Copilot Chat to read and outline the contents of emails since January, even if customers had data loss prevention policies to prevent ingesting their sensitive information into Microsoft's large language model.”
  • r/technology r on reddit
    Microsoft says bug causes Copilot to summarize confidential emails
  • r/privacy r on reddit
    Microsoft says bug causes Copilot to summarize confidential emails
  • r/BetterOffline r on reddit
    Microsoft says Office bug exposed customers' confidential emails to Copilot AI