Copilot Exploit Bypasses Safeguards And Steals Data Even After You Close The Chat

Reprompt is a Copilot exploit, that can use multi-stage prompts to steal user data, but thankfully it's already been patches.

This Microsoft Copilot vulnerability only requires a single click, and your personal data could be stolen

The good news is that the exploit has already been reported to Microsoft way back in August of 2025, and has been patched ...

One click is all it takes: How ‘Reprompt’ turned Microsoft Copilot into a data exfiltration tool

A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...

How this one-click Copilot attack bypassed security controls - and what Microsoft did about it

ZDNET's key takeaways Dubbed "Reprompt," the attack used a URL parameter to steal user data.A single click was enough to ...