CVE-2026-45468
Analyzed Analyzed - Analysis Complete

Cross-Site Scripting in Microsoft Office SharePoint

Vulnerability report for CVE-2026-45468, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-11

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

EPSS Scores

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Meta Information

Published
2026-06-09
Last Modified
2026-06-11
Generated
2026-06-30
AI Q&A
2026-06-10
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-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.

Attack-Flow Graph

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Compliance Impact

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

Executive Summary

This vulnerability is a type of cross-site scripting (XSS) caused by improper neutralization of input during web page generation in Microsoft Office SharePoint.

It allows an authorized attacker to inject malicious input that is not properly sanitized, which can then be executed in the context of a user's browser.

Impact Analysis

The vulnerability can be exploited by an authorized attacker to perform spoofing over a network.

This means the attacker could deceive users by presenting false information or impersonating legitimate content within SharePoint, potentially leading to information disclosure or trust exploitation.

Mitigation Strategies

The 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 detailed in their official update guide.

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EPSS Chart