CVE-2026-45479
Undergoing Analysis Undergoing Analysis - In Progress
BaseFortify

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.
CVSS Scores
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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-2026-45479
EUVD
EUVD-2026-35651
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-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Impact Analysis

The vulnerability can allow an authorized attacker to perform spoofing attacks, which may lead to the attacker impersonating legitimate users or services. This can result in limited confidentiality and integrity impacts, as indicated by the CVSS score, potentially allowing attackers to deceive users or manipulate data within the affected SharePoint environment.

Executive Summary

This vulnerability is a type of cross-site scripting (XSS) found in Microsoft Office SharePoint. It occurs because the software improperly neutralizes input during the generation of web pages. This flaw allows an authorized attacker to perform spoofing attacks over a network.

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