CVE-2026-47294

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2026-47294 is fixed in 3 products on 1 platform, first by KB5002868, released May 12, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.0

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0061

49th percentile

<p>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.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002868	May 12, 2026
Microsoft SharePoint Server 2019	KB5002870	May 12, 2026
Microsoft SharePoint Server Subscription Edition	KB5002863	May 12, 2026

Details

Published
May 29, 2026
Weakness
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47294

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