cve-2025-3271

About this tag
CVE-2025-3271, also known as EchoLeak, is a critical zero-click vulnerability discovered in Microsoft 365 Copilot AI by security researchers at Aim Labs in January 2025. This flaw allows attackers to exfiltrate sensitive user data without any victim interaction, representing a significant AI security threat. The vulnerability was reported to Microsoft, and discussions on WindowsForum cover its discovery, disclosure, and potential impact on enterprise users. Topics include the technical nature of the exploit, mitigation steps, and broader implications for AI-driven productivity tools. Users seeking information on this specific CVE will find community insights and updates on Microsoft's response.

  1. EchoLeak: Critical Zero-Click AI Security Vulnerability in Microsoft 365 Copilot

    In January 2025, security researchers at Aim Labs uncovered a critical zero-click vulnerability in Microsoft 365 Copilot AI, designated as CVE-2025-3271 and dubbed "EchoLeak." This flaw allowed attackers to exfiltrate sensitive user data without any interaction from the victim, marking a...
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    • ai security ai threat landscape ai vulnerabilities copilot vulnerability cve-2025-3271 cyberattack prevention cybersecurity data breach data exfiltration enterprise security llm security microsoft 365 microsoft security prompt injection security patch server-side fixes vulnerability disclosure zero-click attack
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    • Forum: Windows News