Security researchers uncovered “EchoLeak,” a zero-click flaw in Microsoft 365 Copilot, exposing sensitive data without user action. Microsoft has mitigated the vulnerability.

The “EchoLeak,” as the security flaw is known, is the first known AI security vulnerability that doesn’t require users to ...

The vulnerability, called “EchoLeak,” lets attackers “automatically exfiltrate sensitive and proprietary information” from Microsoft 365 Copilot without knowledge of the user, according to findings ...

We handed AI the keys to our digital lives, but a vulnerability in Copilot shows a nightmarish scenario where your future ...

EchoLeak shows that enterprise-grade AI isn’t immune to silent compromise, and securing it isn’t just about patching layers. “AI agents demand a new protection paradigm,” Garg said.

Jun 12, 2025 13:52:00 A zero-click attack method 'Echoleak' that sends emails to manipulate AI and steal confidential information has been discovered, and there is a risk to all AI systems such as ...

EchoLeak marks the first known zero-click attack on an AI agent (via Fortune). The cybersecurity firm presented its findings to Microsoft earlier this year in January.

The vulnerability, dubbed EchoLeak and assigned the identifier CVE-2025-32711, could have allowed hackers to mount an attack without the target user having to do anything.EchoLeak represents the ...

The EchoLeak incident is a powerful reminder that CXOs can't afford complacency in AI security. As AI moves deeper into critical operations, the security lens must shift from reactive patching to ...