CVE-2026-45467: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Microsoft SharePoint Enterprise Server 2016
CVE-2026-45467 is a cross-site scripting (XSS) vulnerability in Microsoft SharePoint Enterprise Server 2016. It involves improper neutralization of input during web page generation, allowing an authorized attacker to perform spoofing attacks over a network. The vulnerability has a medium severity rating with a CVSS score of 4. 6. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45467) in Microsoft SharePoint Enterprise Server 2016 is classified as CWE-79, indicating improper neutralization of input during web page generation, leading to cross-site scripting (XSS). An authorized attacker could exploit this flaw to conduct spoofing attacks over a network. The CVSS 3.1 base score is 4.6, reflecting low complexity and low privileges required, but user interaction is needed. Microsoft has issued an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to perform spoofing attacks, potentially misleading users or systems by injecting malicious scripts into web pages generated by SharePoint. The confidentiality and integrity impacts are low, and availability is not affected. No known exploits in the wild have been reported.
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
CVE-2026-45467 is a cross-site scripting (XSS) vulnerability in Microsoft SharePoint Enterprise Server 2016. It involves improper neutralization of input during web page generation, allowing an authorized attacker to perform spoofing attacks over a network. The vulnerability has a medium severity rating with a CVSS score of 4. 6. An official fix is available from Microsoft.
CVSS v3.1
Score 4.6medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45467) in Microsoft SharePoint Enterprise Server 2016 is classified as CWE-79, indicating improper neutralization of input during web page generation, leading to cross-site scripting (XSS). An authorized attacker could exploit this flaw to conduct spoofing attacks over a network. The CVSS 3.1 base score is 4.6, reflecting low complexity and low privileges required, but user interaction is needed. Microsoft has issued an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to perform spoofing attacks, potentially misleading users or systems by injecting malicious scripts into web pages generated by SharePoint. The confidentiality and integrity impacts are low, and availability is not affected. No known exploits in the wild have been reported.
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: 6/9/2026, 5:26:49 PM
Last enriched: 6/9/2026, 10:27:07 PM
Last updated: 6/10/2026, 6:29:09 AM
Views: 4
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