Microsoft Copilot Leaks Secret Input Channel Exploitable by Hackers

Security researchers found that Microsoft 365 Copilot Enterprise leaks a secret input: by asking about its guardrails, the model reveals hidden parameters that bypass user confirmations, enabling data theft. Ars Technica reports the flaw highlights new risks for enterprise AI assistants.

2026-08-18 ~ 2026-08-19 · 1 related posts