CVE-2026-65660: CWE-94: Improper Control of Generation of Code ('Code Injection') in Microsoft Microsoft SharePoint Enterprise Server 2016
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65660) involves improper control of generation of code (CWE-94) in Microsoft SharePoint Enterprise Server 2016. It enables an authorized attacker to conduct spoofing attacks over a network by injecting code. The CVSS 3.1 base score is 6.5, indicating a medium severity with high confidentiality impact but no impact on integrity or availability. The vulnerability requires low attack complexity and privileges, with no user interaction needed. Microsoft has issued an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks over a network, potentially compromising confidentiality. There is no direct impact on integrity or availability according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660. Since this is not a cloud service, patching the affected on-premises SharePoint Enterprise Server 2016 installations is necessary to remediate the issue.
CVE-2026-65660: CWE-94: Improper Control of Generation of Code ('Code Injection') in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-65660) involves improper control of generation of code (CWE-94) in Microsoft SharePoint Enterprise Server 2016. It enables an authorized attacker to conduct spoofing attacks over a network by injecting code. The CVSS 3.1 base score is 6.5, indicating a medium severity with high confidentiality impact but no impact on integrity or availability. The vulnerability requires low attack complexity and privileges, with no user interaction needed. Microsoft has issued an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks over a network, potentially compromising confidentiality. There is no direct impact on integrity or availability according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660. Since this is not a cloud service, patching the affected on-premises SharePoint Enterprise Server 2016 installations is necessary to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T18:16:01.897Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660","vendor":"Microsoft"}]
Threat ID: 6a7b582dbf8831d539156365
Added to database: 08/11/2026, 17:13:17 UTC
Last enriched: 08/11/2026, 20:12:53 UTC
Last updated: 08/12/2026, 00:21:13 UTC
Views: 3
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