Microsoft is investigating whether a leak from its Microsoft Active Protections Program (MAPP) enabled Chinese state‑linked hackers to exploit a critical SharePoint server vulnerability before its pat

Microsoft is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to exploit flaws in its SharePoint service before they were patched, Bloomberg News reported on Friday.

Threat actors exploit SharePoint flaws to access internal systems, steal sensitive data, and carry out surveillance, impersonation, and extortion.