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 inject malicious scripts that can perform spoofing attacks over a network.

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Impact Analysis

The vulnerability can lead to spoofing attacks, where an attacker can deceive users or systems by presenting false information or impersonating legitimate entities. This can compromise the integrity and trustworthiness of communications or data accessed through Microsoft Office SharePoint.

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Mitigation Strategies

To mitigate the vulnerability CVE-2026-45464, it is important to apply the latest security updates provided by Microsoft for Office SharePoint.

Since the vulnerability involves improper neutralization of input leading to cross-site scripting and spoofing, ensure that input validation and sanitization mechanisms are properly implemented and enforced.

Limit user privileges to reduce the risk of an authorized attacker exploiting this vulnerability.

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