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- Microsoft Copilot Cowork Exfiltrates Files
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Microsoft Copilot Cowork Exfiltrates Files
Microsoft Copilot Cowork is susceptible to file exfiltration attacks through indirect prompt injection due to insecure automatic action approvals for sending emails and Teams messages. This vulnerability has shown a high success rate against advanced models, including Claude Opus 4.7.
promptarmor.com
🔥🔥🔥🔥🔥5 min
5/25/2026
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