Microsoft is expanding data loss prevention (DLP) controls to block the Microsoft 365 Copilot AI assistant from processing ...

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

Microsoft expands DLP controls to prevent Copilot from processing confidential Office files across local devices, SharePoint, and OneDrive.

Microsoft has patched a Copilot bug that exposed confidential Outlook emails and expanded DLP controls to cover all storage locations via Microsoft Purview.

Microsoft has confirmed that a bug in its Office suite allowed Copilot AI to surface private email content from users’ ...

A code error in Copilot Chat’s “Work” tab allowed the AI to pull emails from users’ Sent Items and Drafts folders — even when those emails carried confidentiality labels and had DLP rules explicitly ...

Microsoft's CW1226324 advisory confirms Copilot bypassed sensitivity labels and DLP policies for four weeks. Combined with EchoLeak (CVE-2025-32711), it reveals a structural blind spot in enterprise ...

Microsoft confirms a Copilot bug that summarized confidential emails despite DLP protections. Fix is rolling out, impact remains unclear.

Microsoft has confirmed that 365 Copilot allowed the AI assistant to summarize email content that should have been excluded by sensitivity labels and Data Loss Prevention controls.

Microsoft has acknowledged that a software bug allowed its AI assistant, Microsoft 365 Copilot Chat, to summarize confidential emails — even when Data ...

The company is working on deploying a fix for impacted users.

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