Cyber Products Microsoft 365 Copilot: AI Agent with Action Capabilities June 25, 2026 ♡Follow0 Microsoft 365 Copilot can send email, create files, and change calendars, making it a target for tool poisoning attacks that exploit MCP descriptions. Discovered from: Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data AI AgentMCPMicrosoft 365 Copilotproductivity