Microsoft Copilot Cowork Vulnerability Enables File Exfiltration via Prompt Injection
By
thatxliner
Hot, fresh, and worth queueing round the block for.
Summary
Microsoft Copilot Cowork has a vulnerability that allows attackers to exfiltrate files through indirect prompt injection attacks. The exploit targets processes where agents operate and access sensitive data via Teams, emails, and shared platforms without immediate user approval, posing significant risks when users upload files or interact with compromised content.
Key quotes
· 3 pulledMicrosoft Copilot Cowork is vulnerable to file exfiltration through indirect prompt injection attacks.
Attackers can exploit processes that permit agents to operate and access sensitive data via Teams, emails, and shared platforms without immediate user approval.
This poses a significant risk when users upload files or interact with compromised content.
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