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CVE-2026-47294— Microsoft SharePoint Server Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft SharePoint Enterprise Server 2016
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Office SharePoint是美国微软（Microsoft）公司的一个企业内容协作与文档管理平台。 Microsoft Office SharePoint存在操作系统命令注入漏洞，该漏洞源于反序列化不可信数据，可能导致授权攻击者通过网络执行代码。

CVSS 8.0 · High EPSS 0.66% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0< 16.0.5552.1002 affected
Microsoft Microsoft SharePoint Server 2019 16.0.0< 16.0.10417.20128 affected
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0< 16.0.19725.20280 affected
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I. Basic Information for CVE-2026-47294

Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Server Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office SharePoint 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office SharePoint是美国微软（Microsoft）公司的一个企业内容协作与文档管理平台。 Microsoft Office SharePoint存在操作系统命令注入漏洞，该漏洞源于反序列化不可信数据，可能导致授权攻击者通过网络执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 ~ 16.0.5552.1002 -
Microsoft Microsoft SharePoint Server 2019 16.0.0 ~ 16.0.10417.20128 -
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 ~ 16.0.19725.20280 -

II. Public POCs for CVE-2026-47294

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III. Intelligence Information for CVE-2026-47294

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Vendor Advisories for CVE-2026-47294 (1)

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Enterprise Server 2016
Same vendor: Microsoft
Same weakness: CWE-78

V. Comments for CVE-2026-47294

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