The critical, three-stage attack is now patched, but it's part of a new group of AI prompt-injection issues that use hidden URLs and other variables.

A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise could allow attackers to steal sensitive data from a target's mailbox, OneDrive, or SharePoint…

Microsoft fixed a critical Copilot Enterprise Search flaw that could expose emails, calendars, and indexed files through one trusted link.