Microsoft Copilot reveals secret input that allowed it to be hacked

Secret parameter allowed hackers to steal passwords when a target clicked on a link. https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social