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.

A new attack dubbed 'EchoLeak' is the first known zero-click AI vulnerability that enables attackers to exfiltrate sensitive data from Microsoft 365 Copilot from a user's context without interaction.

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 ...

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

Aim Labs contacted Microsfot about the flaw in January 2025. The tech giant finalized the patch for the vulnerability in May 2025. How Microsoft 365 Copilot Uses RAG and LLMs. Microsoft 365 Copilot is ...

Critical flaw in Microsoft Copilot could have allowed zero-click attack Microsoft CEO Satya Nadella speaks during the OpenAI DevDay event on November 06, 2023 in San Francisco, California.

Security researchers Aim Labs discovered an LLM Scope Violation flaw in Microsoft 365 Copilot The critical-severity bug allows threat actors to exfiltrate sensitive corporate data by sending an ...

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 ...