Remote Code Execution Vulnerability in Microsoft Office SharePoint
CVE-2026-26106

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
10 March 2026

What is CVE-2026-26106?

A vulnerability exists in Microsoft Office SharePoint due to improper input validation. This flaw enables an authorized attacker to execute malicious code over a network, potentially compromising system integrity and security. Organizations using affected versions should apply the provided patches to mitigate risks and protect sensitive data.

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Affected Version(s)

Microsoft SharePoint Enterprise Server 2016 x64-based Systems 16.0.0 < 16.0.5543.1000

Microsoft SharePoint Server 2019 x64-based Systems 16.0.0 < 16.0.10417.20102

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19725.20076

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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