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 ...
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, ...
SecurityWeek2d
‘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 ...
Researchers find 'dangerous' AI data leak flaw in Microsoft 365 Copilot: What the company has to say
A critical AI vulnerability, 'EchoLeak,' was discovered in Microsoft 365 Copilot by Aim Labs researchers in January 2025.
CSO Online2d
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.
Researchers discover zero-click vulnerability in Microsoft Copilot
Researchers have said that Microsoft Copilot had a critical zero-click AI vulnerability that was fixed before hackers stole ...
Microsoft 365 Copilot’s Data Exposed – Hit by Zero-Click Vulnerability
Security researchers at Aim Security discovered "EchoLeak", the first known zero-click artificial intelligence (AI) ...
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 data from Microsoft 365 Copilot from a user's context without interaction.
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 ...
Critical flaw in Microsoft Copilot could have allowed zero-click attack
Researchers said the vulnerability, dubbed “EchoLeak,” could allow a hacker to access data without any specific user ...
Hackers successfully attacked an AI agent, Microsoft fixed the flaw: Here’s why it’s scary
It didn’t start with a ransom note, there were no system crashes, no screens held hostage.Just an AI assistant, Microsoft ...
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, ...