SQL Injection Vulnerability in Microsoft Office SharePoint
CVE-2026-20947

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
13 January 2026

What is CVE-2026-20947?

An SQL injection flaw exists in Microsoft Office SharePoint, allowing authorized attackers to execute arbitrary code remotely. This vulnerability results from improper handling of special elements in SQL commands. If exploited, it could enable attackers to gain unauthorized access to sensitive data or perform malicious actions on connected networks.

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Affected Version(s)

Microsoft SharePoint Enterprise Server 2016 x64-based Systems 16.0.0 < 16.0.5535.1001

Microsoft SharePoint Server 2019 x64-based Systems 16.0.0 < 16.0.10417.20083

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19127.20442

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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