CVE-2025-30382: 
vulnerability analysis and mitigation

A Remote Code Execution vulnerability (CVE-2025-30382) has been identified in Microsoft SharePoint Server, disclosed as part of Microsoft's May 2025 Patch Tuesday updates. The vulnerability affects SharePoint Server 2019, SharePoint Server 2016 Enterprise, and SharePoint Server Subscription Edition versions up to (excluding) 16.0.18526.20286 (Wiz Report, NVD).

The vulnerability is classified as CWE-502 (Deserialization of Untrusted Data) with a CVSS v3.1 Base Score of 7.8 (HIGH). The CVSS vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability (NVD).

If successfully exploited, this vulnerability could allow attackers to execute arbitrary code on affected SharePoint Server systems. The high CVSS score of 7.8 indicates significant potential impact on system security, with possible compromise of confidentiality, integrity, and availability (Wiz Report).

Microsoft has released security updates to address this vulnerability as part of their May 2025 Patch Tuesday updates. Organizations are strongly recommended to apply these updates immediately through Windows Update or enterprise management tools. The security update package (build 16.0.10417.20010) can be obtained through Microsoft Update, Microsoft Update Catalog, or Microsoft Download Center (Microsoft Support).