CVE-2026-47634
Undergoing Analysis Undergoing Analysis - In Progress
Cross-Site Scripting in Microsoft Office SharePoint

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
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.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-47634
EUVD
EUVD-2026-35577
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft office_sharepoint *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
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Mitigation Strategies

This vulnerability involves improper neutralization of input during web page generation in Microsoft Office SharePoint, which allows an authorized attacker to perform spoofing over a network.

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft as soon as they become available.

Executive Summary

This vulnerability is a cross-site scripting (XSS) issue in Microsoft Office SharePoint. It occurs because the software improperly neutralizes input during web page generation, which means that malicious input is not correctly handled or sanitized.

As a result, an authorized attacker can exploit this flaw to perform spoofing attacks over a network.

Impact Analysis

This vulnerability can allow an authorized attacker to perform spoofing attacks over a network. Spoofing can lead to impersonation of legitimate users or services, potentially causing unauthorized actions or misleading users.

According to the CVSS score of 7.3, the impact includes high confidentiality and integrity impacts, meaning sensitive information could be exposed or altered, but it does not affect availability.

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