Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, PowerPoint, and Teams, harbored a critical security flaw that, according to ...

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

Security flaws in Microsoft’s AI systems have landed it in the spotlight before. In June last year one of its newly announced and admittedly impressive Copilot AI systems, Recall, was found to ...

Microsoft has fixed a dangerous zero-click attack in its Generative Artificial Intelligence (GenAI) model which could have allowed threat actors to silently exfiltrate sensitive corporate data without ...

Critical flaw in Microsoft Copilot could have allowed zero-click attack. ... according to researchers at Aim Security, which released the findings in a Wednesday blog post.

Microsoft 365 Copilot is an AI-powered productivity tool that integrates with apps such as Word, Excel, PowerPoint, Outlook and Teams. It utilizes LLMs – specifically, OpenAI’s GPT models – and the ...

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

Also, Microsoft noted that there's no evidence of any real-world exploitation, so this flaw impacted no customers. Microsoft 365 Copilot is an AI assistant built into Office apps like Word, Excel ...

The "EchoLeak" security flaw affected Microsoft 365 Copilot By Kishalaya Kundu June 12, 2025, 12:48. Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust.

Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, PowerPoint, and Teams, harbored a critical security flaw that, according to ...

Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, PowerPoint, and Teams, harbored a critical security flaw that, according to ...