Medium4.6Vendor: HighMicrosoft Server

Medium [CVE-2026-47638] Microsoft SharePoint Server Spoofing Vulnerability

This medium-severity Microsoft Server advisory covers CVE-2026-47638 affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition.

CVE-2026-47638 Published Jun 9, 2026

CVE-2026-47638

Affected products & platforms

Microsoft ServerSharePoint Server

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Summary

Microsoft SharePoint Server Spoofing Vulnerability

Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

KB5002880 (build 16.0.5556.1005)
KB5002874 (build 16.0.10417.20153)
KB5002873 (build 16.0.19725.20384)

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Install the applicable security update for your platform: KB5002880, KB5002874, KB5002873 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Microsoft Security Update Guide (MSRC)official
Official vendor feed — the source of truth for this advisory. VulniPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://api.msrc.microsoft.com/cvrf/v3.0/updates; this link opens the Microsoft Server advisory index instead of the raw feed document.
Microsoft Server
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Microsoft Server
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-47638NVD CVE.org MITRE

Official resources

Microsoft Update Catalog: KB5002880
Official documentation
Direct download of the KB5002880 security update named in the MSRC remediation data for this CVE.
Microsoft Update Catalog: KB5002874
Official documentation
Direct download of the KB5002874 security update named in the MSRC remediation data for this CVE.
Microsoft Update Catalog: KB5002873
Official documentation
Direct download of the KB5002873 security update named in the MSRC remediation data for this CVE.
MSRC Security Update Guide
Official documentation
Filter by this CVE for per-product KB numbers, severity and exploitability assessment.

Discussion(0)

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