Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Company Servers

A critical security vulnerability in Microsoft SharePoint Server has been weaponized as part of an "active, large-scale" exploitation campaign. The zero-day flaw, tracked as CVE-2025-53770 CVSS score: 9.8, has been described as a variant of CVE-2025-49704 CVSS score: 8.8, a code injection and...