In January 2025, cybersecurity researchers at Aim Labs uncovered a critical vulnerability in Microsoft 365 Copilot, an AI-powered assistant integrated into Office applications such as Word, Excel, Outlook, and Teams. This flaw, named 'EchoLeak,' allowed attackers to exfiltrate sensitive user...
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A seismic shift has rippled through the cybersecurity community with the disclosure of EchoLeak, the first publicly reported "zero-click" exploit targeting a major AI tool: Microsoft 365 Copilot. Developed by AIM Security, EchoLeak exposes an unsettling truth: simply by sending a cleverly...
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In a groundbreaking development in cybersecurity, researchers from Aim Labs have identified a critical vulnerability in Microsoft 365 Copilot, termed 'EchoLeak' (CVE-2025-32711). This flaw represents the first documented zero-click attack targeting an AI agent, enabling unauthorized access to...
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Zero-click vulnerabilities represent the cutting-edge in cybersecurity threats, blending technical ingenuity with chilling efficiency. The recently disclosed CVE-2025-32711, dubbed “EchoLeak,” stands as a stark illustration of this evolving risk landscape, targeting none other than Microsoft 365...
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In a landmark event that is sending ripples through the enterprise IT and cybersecurity landscapes, Microsoft has acted to patch a zero-click vulnerability in Copilot, its much-hyped AI assistant that's now woven throughout the Microsoft 365 productivity suite. Dubbed "EchoLeak" by cybersecurity...
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Here’s an executive summary and key facts about the “EchoLeak” vulnerability (CVE-2025-32711) that affected Microsoft 365 Copilot:
What Happened?
EchoLeak (CVE-2025-32711) is a critical zero-click vulnerability in Microsoft 365 Copilot.
Attackers could exploit the LLM Scope Violation flaw by...
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In a sobering demonstration of emerging threats in artificial intelligence, security researchers recently uncovered a severe zero-click vulnerability in Microsoft 365 Copilot, codenamed “EchoLeak.” This exploit could have potentially revealed the most sensitive user secrets to attackers with no...
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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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In June 2025, a critical "zero-click" vulnerability, designated as CVE-2025-32711, was identified in Microsoft 365 Copilot, an AI-powered assistant integrated into Microsoft's suite of productivity tools. This flaw, dubbed "EchoLeak," had a CVSS score of 9.3, indicating its severity. It allowed...
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In a landmark revelation for the security of AI-integrated productivity suites, researchers have uncovered a zero-click data leak flaw in Microsoft 365 Copilot—an AI assistant embedded in Office apps such as Word, Excel, Outlook, and Teams. Dubbed 'EchoLeak,' this vulnerability casts a spotlight...
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Microsoft 365 Copilot, one of the flagship generative AI assistants deeply woven into the fabric of workplace productivity through the Office ecosystem, recently became the focal point of a security storm. The incident has underscored urgent and far-reaching questions for any business weighing...
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