Microsoft admits Copilot was summarizing confident

Microsoft has confirmed that a bug in Microsoft 365 allowed its Copilot AI to improperly access and summarize customers’ confidential emails for several weeks.

The issue, first reported by BleepingComputer and tracked internally as CW1226324, affected Copilot Chat within Office apps such as Word, Excel, and PowerPoint.

According to the company, emails stored in users’ Sent Items and Drafts folders, including those labeled confidential and protected by data loss prevention policies, were incorrectly processed by the AI system.

Microsoft said it began rolling out a fix earlier this month but has not disclosed how many customers were impacted.

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Source: TechCrunch

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