EchoLeakother1 mention · First seen 2026-06-23Report issueRecent storiesCVE-2025-32711: Zero-Click 'EchoLeak' Vulnerability in Microsoft 365 Copilot Enables Stealth Data Exfiltration via Prompt Injection - Rescana2026-06-23RelatedAim SecurityMicrosoft 365 Copilot