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

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

Researchers have said that Microsoft Copilot had a critical zero-click AI vulnerability that was fixed before hackers stole ...

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

Critical zero-click AI vulnerability EchoLeak exposed sensitive Microsoft 365 Copilot data; Microsoft patched it to prevent ...

The M365 AI agent could be tricked into releasing sensitive information via email and without a mouse click. Microsoft has ...

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

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

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

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

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

A well-phrased email was all an attacker would have needed to trick Microsoft Copilot into handing over sensitive data, until ...