CVE-2026-47298: Microsoft SharePoint Server Remote Code Execution Vulnerability

Published Jun 9, 2026
·
Updated

Improper authorization 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<16.0.19725.20384
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019
Microsoft SharePoint Server Subscription Edition<16.0.19725.20384
16.0.19725.20384
Microsoft SharePoint Enterprise Server 2016<16.0.5556.1005
16.0.5556.1005
Microsoft SharePoint Server 2019<16.0.10417.20153
16.0.10417.20153

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.19725.20384Patch KB5002873
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.5556.1005Patch KB5002880
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.10417.20153Patch KB5002874

Event History

Jun 9, 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·05:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-47298?

The severity of CVE-2026-47298 is high with a score of 8.

2

What impact does CVE-2026-47298 have on Microsoft SharePoint Server?

CVE-2026-47298 allows an authorized attacker to execute remote code over a network due to improper authorization.

3

How can I mitigate the risk of CVE-2026-47298?

To mitigate the risk of CVE-2026-47298, ensure that you apply the latest security updates provided by Microsoft for SharePoint.

4

What versions of software are affected by CVE-2026-47298?

CVE-2026-47298 affects Microsoft SharePoint Server, SharePoint Server Subscription Edition, SharePoint Enterprise Server 2016, and SharePoint Server 2019.

5

What is the potential impact on data confidentiality with CVE-2026-47298?

CVE-2026-47298 can lead to a high impact on data confidentiality, integrity, and availability due to remote code execution.

Contact

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