CVE-2026-26106: Microsoft SharePoint Server Remote Code Execution Vulnerability

Published Mar 10, 2026
·
Updated

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Other sources

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft

Affected Software

6 affected componentsFixes available
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server<16.0.19725.20076
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019

Event History

Mar 10, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:05 PM
Data Sourced
via MITRE·05:05 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-26106?

The severity of CVE-2026-26106 is rated as critical due to its potential to allow remote code execution.

2

How do I fix CVE-2026-26106?

To fix CVE-2026-26106, you should apply the relevant security patches provided by Microsoft for your affected SharePoint Server version.

3

Which versions of SharePoint Server are affected by CVE-2026-26106?

CVE-2026-26106 affects Microsoft SharePoint Server 2019, SharePoint Server Subscription Edition, and SharePoint Enterprise Server 2016.

4

What is the impact of CVE-2026-26106 if exploited?

If exploited, CVE-2026-26106 can allow an unauthorized attacker to execute arbitrary code on the server remotely.

5

Is it necessary to update immediately for CVE-2026-26106?

Yes, it is necessary to update immediately for CVE-2026-26106 to protect your systems from potential exploitation.

Contact

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