What is CVE-2025-54897?

CVE-2025-54897 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SharePoint Remote Code Execution Vulnerability

Which CVE IDs does CVE-2025-54897 cover?

CVE-2025-54897 covers the following CVE IDs: CVE-2025-54897. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-54897?

CVE-2025-54897 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-54897?

CVE-2025-54897 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.

CVE-2025-54897HighCVSS 8.8

Microsoft SharePoint Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-54897 →

📋 Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

🎯 Affected products3

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition

✅ Remediation

KB5002778 (Security Update) — fixed build 16.0.5517.1000 KB5002775 (Security Update) — fixed build 16.0.10417.20047 KB5002784 (Security Update) — fixed build 16.0.19127.20100

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54897
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108355
referencehttps://support.microsoft.com/help/5002778
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108363
referencehttps://support.microsoft.com/help/5002775
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108353
referencehttps://support.microsoft.com/help/5002784