Microsoft Copilot reveals secret input allowing data exfiltration without user consent

18 August 2026 at 10:02 pmHyperFast News

#Microsoft Copilot #AI Security #Vulnerability #Data Exfiltration #Large Language Models

Summary

Microsoft Copilot inadvertently revealed a secret input parameter that allowed researchers to bypass user consent and exfiltrate sensitive data, a vulnerability discovered by asking the AI model itself about its guardrails.

Microsoft Copilot reveals secret input allowing data exfiltration without user consent

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