CVE-2026-45462: 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-2026-45462) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0). It is classified as CWE-79, indicating improper neutralization of input during web page generation, leading to cross-site scripting. An authorized attacker could exploit this issue to perform spoofing attacks over a network. The CVSS 3.1 base score is 4.6, reflecting a medium severity with network attack vector, low attack complexity, required privileges, and user interaction. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Exploitation of this vulnerability could allow an authorized attacker to conduct spoofing attacks by injecting malicious scripts into web pages generated by SharePoint Enterprise Server 2016. This may lead to limited confidentiality and integrity impacts but does not affect availability. The attack requires privileges and user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45462 to remediate this vulnerability.
CVE-2026-45462: 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-2026-45462) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0). It is classified as CWE-79, indicating improper neutralization of input during web page generation, leading to cross-site scripting. An authorized attacker could exploit this issue to perform spoofing attacks over a network. The CVSS 3.1 base score is 4.6, reflecting a medium severity with network attack vector, low attack complexity, required privileges, and user interaction. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Exploitation of this vulnerability could allow an authorized attacker to conduct spoofing attacks by injecting malicious scripts into web pages generated by SharePoint Enterprise Server 2016. This may lead to limited confidentiality and integrity impacts but does not affect availability. The attack requires privileges and user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45462 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:06:43.097Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45462","vendor":"Microsoft"}]
Threat ID: 6a284cd98dd33fbd85664c5d
Added to database: 06/09/2026, 17:26:49 UTC
Last enriched: 07/29/2026, 21:55:11 UTC
Last updated: 07/31/2026, 19:30:14 UTC
Views: 62
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