Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data

New Microsoft research shows how attackers can hijack AI agents that act on a user’s behalf, using nothing more than a poisoned tool description to make the agent quietly hand over company data to an outsider.

The trick is that the agent never breaks a rule. Every step looks routine, so in a default setup no alarm may fire.

The work comes from Microsoft Incident Response and its

Source: The Hacker News

Leave a Reply

Your email address will not be published. Required fields are marked *

Explore More

Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents

Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents Security firm AIR built a fake AI agent skill, pushed it through a popular skill marketplace and an Instagram ad,

Attack Update: Top 5 Attack-IPs auf doode.info – 08.08.2026

Watchtower Attack Update. Hier die aktuellen Top 5 Attack-IPs, die auf doode.info klopfen. 195.178.110.48 — 4 requests (recent log) 89.167.35.212 — 1 requests (recent log) Mehr Live-Daten und die komplette

Veeam, Terraform MCP, Django Patch Critical Flaws, Led by CVSS 10.0 Cross-Tenant Bug

Veeam, Terraform MCP, Django Patch Critical Flaws, Led by CVSS 10.0 Cross-Tenant Bug HashiCorp, Veeam, and the Django Software Foundation have patched 11 vulnerabilities across Terraform MCP Server, Veeam Service