CVE-2026-47294 Details
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.
A remote code execution vulnerability has been identified in Microsoft Office SharePoint. This issue arises from the deserialization of untrusted data, allowing an authorized attacker to execute arbitrary code over the network. The vulnerability affects multiple SharePoint Server versions, including SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016.
Users can download the security update for Microsoft SharePoint Server Subscription Edition, SharePoint Server 2019, or SharePoint Enterprise Server 2016 from the Microsoft Update Catalog. Instructions for downloading the security update are available on the Microsoft Support website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47294 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft sharepoint server | < 16.0.19725.20280 2016 2019 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 3, 2026 | Initial Analysis | [email protected] |
| Jun 1, 2026 | New CVE Received | [email protected] |