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

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

Microsoft has patched the critical 'EchoLeak' vulnerability in Microsoft 365 Copilot, a flaw that allowed attackers to ...

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

Researchers said the vulnerability, dubbed “EchoLeak,” could allow a hacker to access data without any specific user ...

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

Researchers have found a flaw in Microsoft 365 Copilot that allows the exfiltration of sensitive corporate data with a simple ...

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

Security researchers have discovered the first zero-click AI vulnerability in Microsoft 365 Copilot AI agent, exposing a way ...

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

The researchers at Aim Security dubbed the flaw “EchoLeak.” Microsoft told Fortune that it has already fixed the issue in Microsoft 365 Copilot and that its customers were unaffected.