- What changed
- A security vulnerability in Microsoft Copilot was discovered involving a secret input parameter that allowed attackers to steal passwords through malicious links. This highlights emerging prompt injection and parameter manipulation vectors in AI assistant integrations.
- Why you should care
- This vulnerability exposes how hidden parameters in AI assistant wrappers can be weaponized for credential theft, posing direct risks to enterprise environments relying on AI integrations.
- Your move
- Watch. Audit internal AI tools and assistants for unintended parameter exposure and validate all input handling logic.
- What to watch next
- Watch for further verified reporting or independent evidence.
- Event
- security incident
- Event date
- Aug 18, 2026
- Relevant to
- Security professionals, Enterprise IT administrators, Software developers
