In-the-wild Exploitation of CVE-2025-53770 and CVE-2025-53771: Technical Details and Mitigation Strategies

Two critical zero-day vulnerabilities in the Microsoft SharePoint Server environment, CVE-2025-53770 (9.8 CVSS score) and CVE-2025-53771 (6.5 CVSS score), are being actively exploited by threat actors to compromise vulnerable on-premises SharePoint servers.