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

A new attack dubbed 'EchoLeak' is the first known zero-click AI vulnerability that enables attackers to exfiltrate sensitive ...

Critically, according to Aim’s researchers, all of this happens behind the scenes. Users themselves don’t have to open the ...

Microsoft recently patched CVE-2025-32711, a vulnerability that could have been used for zero-click attacks to steal data ...

A single email can silently trigger Copilot to exfiltrate sensitive corporate data — no clicks, no warnings, no user action.

EchoLeak affected Microsoft 365 Copilot, the AI assistant integrated across several Office applications, including Word, ...

Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, ...

Security researchers at Aim Security discovered "EchoLeak", the first known zero-click artificial intelligence (AI) vulnerability in Microsoft 365 Copilot ...

Researchers uncover a critical AI flaw in Microsoft 365 Copilot, allowing silent data theft through email without any user ...

EchoLeak was the first known zero-click vulnerability in an AI assistant. It concerned Microsoft 365 Copilotwhich is integrated into several Office ...

For example, Copilot being able to connect to OneDrive and retrieving data from a file stored there to answer a user query would be considered an agentic action. As per the researchers, the attack was ...

A critical security flaw in Microsoft 365 Copilot, an AI tool, highlights the increasing risk of AI agents being hacked.