CVE-2026-45467: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Microsoft SharePoint Enterprise Server 2016
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45467) affects Microsoft SharePoint Enterprise Server 2016 version 16.0.0. It is a CWE-79 type cross-site scripting issue caused by improper input neutralization during web page generation. The flaw allows an attacker with authorized access to conduct spoofing attacks over a network. The CVSS 3.1 base score is 4.6 (medium severity), reflecting low impact on confidentiality and integrity, no impact on availability, and requiring low attack complexity with privileges and user interaction. Microsoft has issued an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks, potentially misleading users or systems by injecting malicious scripts into web pages. The confidentiality and integrity impacts are low, and there is no impact on availability. Exploitation requires privileges and user interaction, limiting the scope of impact.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467 to remediate this vulnerability.
CVE-2026-45467: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Microsoft SharePoint Enterprise Server 2016
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 v3.1
Score 4.6medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45467) affects Microsoft SharePoint Enterprise Server 2016 version 16.0.0. It is a CWE-79 type cross-site scripting issue caused by improper input neutralization during web page generation. The flaw allows an attacker with authorized access to conduct spoofing attacks over a network. The CVSS 3.1 base score is 4.6 (medium severity), reflecting low impact on confidentiality and integrity, no impact on availability, and requiring low attack complexity with privileges and user interaction. Microsoft has issued an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks, potentially misleading users or systems by injecting malicious scripts into web pages. The confidentiality and integrity impacts are low, and there is no impact on availability. Exploitation requires privileges and user interaction, limiting the scope of impact.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:06:43.098Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467","vendor":"Microsoft"}]
Threat ID: 6a284cd98dd33fbd85664c6c
Added to database: 06/09/2026, 17:26:49 UTC
Last enriched: 07/29/2026, 21:55:48 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 63
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