No BS Just Facts logo
No BS Just Facts
It might be boring, but it's just the facts.

← All stories · technology

Ars Technica

Microsoft Copilot reveals secret input that allowed it to be hacked

Tuesday, August 18, 2026


A security researcher disclosed that Microsoft Copilot contained a parameter that could be exploited to steal passwords when users clicked on malicious links. Microsoft was notified of the vulnerability and released a patch to address it. The researcher's identity and the specific timeline of the disclosure were not provided in the available information.

Original reporting: https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked/

Next story

American Airlines to add seatback screens, bigger first class in race to catch up to Delta and United