CVE-2026-62826: Microsoft SharePoint Server Spoofing Vulnerability

Published Jul 16, 2026
·
Updated

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Other sources

Microsoft SharePoint Server Spoofing Vulnerability

— Microsoft

Affected Software

7 affected componentsFixes available
Microsoft SharePoint Server
Microsoft SharePoint Server 2019<16.0.10417.20175
16.0.10417.20175
Microsoft SharePoint Server Subscription Edition<16.0.19725.20434
16.0.19725.20434
Microsoft SharePoint Enterprise Server 2016<16.0.5561.1001
16.0.5561.1001
Microsoft SharePoint Server<16.0.19725.20434
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019

Remediation

Patch Available

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62826

Event History

Jul 16, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·10:02 PM
Data Sourced
via MITRE·10:02 PM
DescriptionSeverity
Data Sourced
via NVD·10:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-62826?

CVE-2026-62826 has a severity rating of medium with a score of 4.6.

2

How do I fix CVE-2026-62826?

To fix CVE-2026-62826, apply the latest security patch provided by Microsoft for your SharePoint Server version.

3

What impact does CVE-2026-62826 have?

CVE-2026-62826 allows an attacker to perform spoofing attacks due to improper input neutralization in SharePoint.

4

Which software is affected by CVE-2026-62826?

CVE-2026-62826 affects Microsoft SharePoint Server, including the Subscription Edition, 2019, and Enterprise Server 2016.

5

Is user interaction required for CVE-2026-62826 exploitation?

Yes, user interaction is required for CVE-2026-62826 exploitation, as it involves an authorized attack.

Company

Resources

Contact

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