CVE-2026-26114: CWE-502: Deserialization of Untrusted Data in Microsoft Microsoft SharePoint Enterprise Server 2016
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26114) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) and is classified under CWE-502: Deserialization of Untrusted Data. It allows an attacker with authorized access to the SharePoint server to execute arbitrary code remotely by exploiting unsafe deserialization processes. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vulnerability is officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation enables an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of the system, including unauthorized data access, modification, or denial of service. The vulnerability impacts confidentiality, integrity, and availability at a high level.
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 this issue. No additional mitigation steps are specified or required beyond applying the official fix.
CVE-2026-26114: CWE-502: Deserialization of Untrusted Data in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Deserialization of untrusted data 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-2026-26114) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) and is classified under CWE-502: Deserialization of Untrusted Data. It allows an attacker with authorized access to the SharePoint server to execute arbitrary code remotely by exploiting unsafe deserialization processes. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vulnerability is officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation enables an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of the system, including unauthorized data access, modification, or denial of service. The vulnerability impacts confidentiality, integrity, and availability at a high level.
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 this issue. No additional mitigation steps are specified or required beyond applying the official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T15:52:13.910Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05631ea502d3aa87d6b23
Added to database: 3/10/2026, 5:34:41 PM
Last enriched: 4/18/2026, 2:15:36 PM
Last updated: 4/28/2026, 7:29:03 AM
Views: 96
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