News

First Known Zero-Click AI Exploit: Microsoft 365 Copilot’s ‘EchoLeak’ Flaw
Security researchers uncovered “EchoLeak,” a zero-click flaw in Microsoft 365 Copilot, exposing sensitive data without user ...
WinBuzzer1h
Microsoft 365 Copilot: Critical ‘EchoLeak’ Flaw Turned Microsoft’s Own AI Into Data Thief
Microsoft has patched the critical 'EchoLeak' vulnerability in Microsoft 365 Copilot, a flaw that allowed attackers to ...
Research Snipers4h
First-Ever Zero-Click Exploit Found in Microsoft Copilot AI Assistant
Researchers have discovered the very first Zero-Click weak point in a AI assistant. Microsoft 365 Copilot allowed attackers ...
Aim Security details first known AI zero-click exploit targeting Microsoft 365 Copilot
Critically, according to Aim’s researchers, all of this happens behind the scenes. Users themselves don’t have to open the ...
Infosecurity Magazine3d
Microsoft 365 Copilot: New Zero-Click AI Vulnerability Allows Corporate Data Theft
Researchers have found a flaw in Microsoft 365 Copilot that allows the exfiltration of sensitive corporate data with a simple ...
Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot
A new attack dubbed 'EchoLeak' is the first known zero-click AI vulnerability that enables attackers to exfiltrate sensitive ...
Microsoft fixes first known zero-click attack on an AI agent
EchoLeak affected Microsoft 365 Copilot, the AI assistant integrated across several Office applications, including Word, ...
SecurityWeek4d
‘EchoLeak’ AI Attack Enabled Theft of Sensitive Data via Microsoft 365 Copilot
Microsoft recently patched CVE-2025-32711, a vulnerability that could have been used for zero-click attacks to steal data ...
Exclusive: New Microsoft Copilot flaw signals broader risk of AI agents being hacked—‘I would be terrified’
Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, ...
The Hacker News3d
Zero-Click AI Vulnerability Exposes Microsoft 365 Copilot Data Without User Interaction
Critical zero-click AI vulnerability EchoLeak exposed sensitive Microsoft 365 Copilot data; Microsoft patched it to prevent ...
CSO Online3d
First-ever zero-click attack targets Microsoft 365 Copilot
A single email can silently trigger Copilot to exfiltrate sensitive corporate data — no clicks, no warnings, no user action.
Microsoft 365 Copilot Vulnerable to Zero-Click EchoLeak Exploit, Cybersecurity Researchers Say
For example, Copilot being able to connect to OneDrive and retrieving data from a file stored there to answer a user query would be considered an agentic action. As per the researchers, the attack was ...