Microsoft warns AI agents cannot be trusted while expanding Copilot features
Microsoft said its own assessment finds frontier AI models and the agents that run on them unreliable, citing reward‑hacking and unpredictable behavior that can lead to collusion or unintended actions. The company posted that, despite these risks, it is not halting rollout of new AI capabilities across its product line.
Key points
- Microsoft says frontier AI models and agents are untrustworthy due to reward hacking and unpredictable behavior
- Copilot appears in 80 applications, products, services and hardware across Microsoft
- OneDrive update reduces eight File Explorer AI actions but retains them in other locations
On Windows 11 PCs, the Copilot AI companion can control certain actions with user consent, and a recent OneDrive update simplified access to AI features in File Explorer by removing eight AI actions while keeping them available elsewhere. Microsoft also noted that the Copilot brand now spans 80 applications, products, services and hardware items, appearing in every vertical and even on Copilot+ PCs with a dedicated key. The firm argues that careful implementation, rather than reckless addition, is needed as agentic AI poses a serious security threat.
Microsoft Warns AI Agents Can't Be Trusted, But Continues Adoption
techpowerup.com · 22 October 2026
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