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 action. Microsoft has mitigated the vulnerability.
WinBuzzer9d
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 ...
Security researchers found a zero-click vulnerability in Microsoft 365 Copilot.
The vulnerability, called “EchoLeak,” lets attackers “automatically exfiltrate sensitive and proprietary information” from Microsoft 365 Copilot without knowledge of the user, according to findings ...
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) ...
The Hacker News13d
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 Online13d
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.
SecurityWeek13d
‘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 ...
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, ...
WinBuzzer8d
Microsoft Copilot Under Fire: Watchdog Slams Ads, Security Holes, Misleading Claims, Confusing Branding
An advertising watchdog challenges Microsoft's Copilot productivity claims, citing a lack of objective proof. The demanded ...
The Hacker News16h
nOAuth Vulnerability Still Affects 9% of Microsoft Entra SaaS Apps Two Years After Discovery
New research shows 9% of Microsoft Entra SaaS apps are vulnerable to nOAuth abuse, allowing full account takeovers.
Researchers Just Found a Big Security Flaw in Microsoft’s AI. Here’s Why Businesses Should Worry
Microsoft’s been inserting AI everywhere it can, including into some of the world’s most popular business productivity apps.