CVE-2026-47298
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Improper Authorization in Microsoft Office SharePoint Allows Remote Code Execution

Vulnerability report for CVE-2026-47298, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-12

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-09
Last Modified
2026-06-12
Generated
2026-06-30
AI Q&A
2026-06-09
EPSS Evaluated
2026-06-28
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
microsoft sharepoint_server 2019
microsoft sharepoint_server 2016
microsoft sharepoint_server to 16.0.19725.20384 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Impact Analysis

The vulnerability can lead to remote code execution by an authorized attacker, which means the attacker could run malicious code on the affected system. This can result in full compromise of confidentiality, integrity, and availability of the system.

Executive Summary

This vulnerability is an improper authorization issue in Microsoft Office SharePoint. It allows an authorized attacker to execute code remotely over a network.

Mitigation Strategies

To mitigate this vulnerability, apply the security updates provided by Microsoft for Office SharePoint as soon as possible.

Ensure that only authorized users have access to SharePoint services and monitor for any unusual activity that could indicate exploitation attempts.

Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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