Microsoft SharePoint Server Zero-Day (CVE-2025-53770): Urgent Patching Required
Overview On July 19, 2025, Microsoft disclosed a critical zero-day vulnerability in SharePoint Server (CVE-2025-53770, CVSS 9.8), actively exploited in large-scale attacks, breaching over 75 organizations. The flaw, a variant of CVE-2025-49704, allows unauthenticated remote code execution (RCE) via deserialization of untrusted data. CISA added it to its Known Exploited Vulnerabilities catalog, urging immediate action.… Read More »Microsoft SharePoint Server Zero-Day (CVE-2025-53770): Urgent Patching Required