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 ...
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, ...
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Microsoft is changing the 365 logo to look more like Copilot's, and people already hate it
Microsoft rebrands Microsoft 365 to "Microsoft 365 Copilot" with a new logo featuring the Copilot logo with minor changes. Users have little time to prepare, as the rebranding is set to roll out ...
Critical vulnerability in Microsoft 365 Copilot shows risk of AI agents
The M365 AI agent could be tricked into releasing sensitive information via email and without a mouse click. Microsoft has ...
Infosecurity Magazine1d
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 ...
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 ...
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 ...
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.
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 ...
Computerworld4d
Microsoft 365: A guide to the updates
Get the latest info on new features, bug fixes, and security updates for Microsoft 365/Office 365 for Windows as they roll out from Microsoft. Now updated for Version 2505 (Build 18827.20150 ...