CVE-2026-47641: CWE-20: Improper Input Validation 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-2026-47641) in Microsoft SharePoint Enterprise Server 2016 involves improper input validation (CWE-20) that results in cross-site scripting (XSS) during web page generation. An authorized attacker can exploit this to conduct spoofing attacks over the network. The CVSS 3.1 base score is 4.6 (medium), reflecting network attack vector, low complexity, required privileges, and user interaction. Microsoft has released an official fix for this vulnerability.
Potential Impact
The vulnerability allows an authorized attacker to conduct spoofing attacks via cross-site scripting, potentially leading to limited confidentiality and integrity impacts. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft SharePoint Enterprise Server 2016 version 16.0.0 should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47641 to remediate this vulnerability.
CVE-2026-47641: CWE-20: Improper Input Validation 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47641) in Microsoft SharePoint Enterprise Server 2016 involves improper input validation (CWE-20) that results in cross-site scripting (XSS) during web page generation. An authorized attacker can exploit this to conduct spoofing attacks over the network. The CVSS 3.1 base score is 4.6 (medium), reflecting network attack vector, low complexity, required privileges, and user interaction. Microsoft has released an official fix for this vulnerability.
Potential Impact
The vulnerability allows an authorized attacker to conduct spoofing attacks via cross-site scripting, potentially leading to limited confidentiality and integrity impacts. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft SharePoint Enterprise Server 2016 version 16.0.0 should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47641 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-19T20:12:27.070Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47641","vendor":"Microsoft"}]
Threat ID: 6a284cf08dd33fbd85665067
Added to database: 6/9/2026, 5:27:12 PM
Last enriched: 6/9/2026, 7:18:26 PM
Last updated: 6/10/2026, 6:21:06 AM
Views: 4
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