CVE-2026-26106: CWE-20: Improper Input Validation in Microsoft Microsoft SharePoint Enterprise Server 2016
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26106) involves improper input validation in Microsoft Office SharePoint Enterprise Server 2016 (version 16.0.0). It enables an attacker with authorized access to execute arbitrary code remotely over the network. The CVSS v3.1 base score is 8.8, indicating high severity, with attack vector network, low attack complexity, and no user interaction required. Confidentiality, integrity, and availability impacts are all rated high. Microsoft has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of confidentiality, integrity, and availability of the system. This could enable unauthorized data access, modification, or disruption of services.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for SharePoint Enterprise Server 2016 version 16.0.0 as soon as possible to remediate the issue. No additional mitigation steps are specified.
CVE-2026-26106: CWE-20: Improper Input Validation in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26106) involves improper input validation in Microsoft Office SharePoint Enterprise Server 2016 (version 16.0.0). It enables an attacker with authorized access to execute arbitrary code remotely over the network. The CVSS v3.1 base score is 8.8, indicating high severity, with attack vector network, low attack complexity, and no user interaction required. Confidentiality, integrity, and availability impacts are all rated high. Microsoft has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of confidentiality, integrity, and availability of the system. This could enable unauthorized data access, modification, or disruption of services.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for SharePoint Enterprise Server 2016 version 16.0.0 as soon as possible to remediate the issue. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T15:52:13.909Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b0562fea502d3aa87d6aef
Added to database: 3/10/2026, 5:34:39 PM
Last enriched: 4/18/2026, 2:14:45 PM
Last updated: 4/28/2026, 7:22:01 AM
Views: 125
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