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Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Apr 1, 2026

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2026-20951

Description

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Affected products

4

Microsoft/Office Sharepoint Serverllm-fuzzy
Microsoft/Microsoft SharePoint Enterprise Server 2016v5
Range: 16.0.0
Microsoft/Microsoft SharePoint Server 2019v5
Range: 16.0.0
Microsoft/Microsoft SharePoint Server Subscription Editionv5
Range: 16.0.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20951mitrevendor-advisorypatch

News mentions

0

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