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

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

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

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

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

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

Microsoft’s been inserting AI everywhere it can, including into some of the world’s most popular business productivity apps.

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

It didn’t start with a ransom note, there were no system crashes, no screens held hostage.Just an AI assistant, Microsoft ...

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

Microsoft used Security Copilot to scan open source bootloaders for vulnerabilities It discovered 20 new flaws in just a short time Microsoft says the AI tool saved the company at least a week of ...

All of the above flaws are rated medium severity, except for CVE-2025-0678, which is rated "high" (CVSS v3.1 score: 7.8). Microsoft says Security Copilot dramatically accelerated the vulnerability ...