A Microsoft SharePoint zero-day exploit has led to a breach of the US National Nuclear Security Administration. Microsoft says Chinese state-backed hackers exploited the vulnerability in on-premises ...

Microsoft has started releasing updates to fix the exploited SharePoint zero-days tracked as CVE-2025-53770 and CVE-2025-53771.

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft ...