Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot
- Posted on January 15, 2026
- By The Hacker News
- 4 Views
Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Experts disclosed a Reprompt attack that allowed single-click data exfiltration from Microsoft Copilot via indirect prompt injection, now fixed by MS.