CVE-2026-47294

Microsoft SharePoint Server Remote Code Execution Vulnerability

State: Published
Severity: 8.0 High
Published: Jun 1, 2026
Updated: Aug 10, 2026
Reserved: May 18, 2026

Description

Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.0 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5552.1002Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20128Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.19725.20280Affected

References

Microsoft SharePoint Server Remote Code Execution Vulnerabilityvendor-advisorypatch

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