
China-Backed Hackers Exploit Critical SharePoint Zero-Day Vulnerability
Key Takeaways Security researchers from Google and Microsoft have uncovered an alarming new cyberattack campaign involving a critical Microsoft SharePoint vulnerability — CVE-2025-53770 — being actively exploited by multiple China-backed hacking groups. The zero-day bug, discovered over the weekend, has already impacted dozens of organizations globally, with companies racing to patch their systems before further…