Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

https://thehackernews.com/2026/01/researchers-reveal-reprompt-attack.html

https://x.com/home/status/2011818273973944672

https://x.com/home/status/2011830549741257119

https://x.com/home/status/2011900584891437180