Executive Summary
Microsoft describes agentic risks such as tool misuse and agentic supply-chain vulnerabilities as AI tools move from reading to acting, noting these have been seen in enterprise environments.
What Happened
Microsoft describes agentic risks such as tool misuse and agentic supply chain vulnerabilities, tying the pattern to enterprise AI agents that can take actions rather than only generate text. The post says these techniques map to specific security categories and notes they have been observed in enterprise environments.
Vulnerability / Attack Technique
Tool misuse and agentic supply-chain vulnerabilities
Technical Mechanism
The post maps agent risks to security categories rather than describing one exploit.
AI Security Category
LLM06:2025 Excessive Agency
Part of the AI Agent Excessive Agency topic.
Relevant Frameworks
RealGround Analysis
Acting agents bring application security problems into AI. RealGround analysis: review every tool an agent can call as you would an API exposed to untrusted users.
Recommended Controls
- Review and scope every tool available to agents
- Vet third-party tools and plugins
Related RealGround Service
Secure AI Agent Build · or start with the free AI Agent Security Scanner.
Sources
Microsoft Security Blog: https://www.microsoft.com/en-us/security/blog/2026/06/30/securing-ai-agents-ai-tools-move-from-reading-to-acting/
Summary and analysis written by RealGround from the source above; last updated 2026-10-18.