CVE-2025-30378

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Enterprise Server 2016	>= 16.0.0, < 16.0.5500.1001
Microsoft	Microsoft SharePoint Server 2019	>= 16.0.0, < 16.0.10417.20010
Microsoft	Microsoft SharePoint Server Subscription Edition	>= 16.0.0, < 16.0.18526.20286

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30378Vendor Advisory

Timeline

Published: May 13, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2025

CVE-2025-303797.8Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.CVE-2025-30388.8A vulnerability was found in code-projects Payroll Management System 1.0 and classified as critical. This issue affects some unknown process CVE-2025-303817.8Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.CVE-2025-303827.8Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.CVE-2025-303837.8Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code loca CVE-2025-303847.0Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.CVE-2025-303857.8Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.CVE-2025-303867.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2025-303879.8Improper limitation of a pathname to a restricted directory ('path traversal') in Azure allows an unauthorized attacker to elevate privilege CVE-2025-303887.8Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.CVE-2025-303899.8Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.CVE-2025-30398.8A vulnerability was found in code-projects Payroll Management System 1.0. It has been classified as critical. Affected is an unknown functio