CVE-2026-26115: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability in Microsoft SQL Server 2016 SP3 (GDR) arises from improper validation of input types, classified under CWE-1287. It enables an attacker with authorized access to escalate privileges remotely, potentially gaining higher-level control over the database server. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this issue.
Potential Impact
An authorized attacker can exploit this vulnerability remotely to elevate privileges on the affected SQL Server instance. This could lead to unauthorized access to sensitive data, modification or deletion of data, and disruption of database availability. The high CVSS score reflects the critical impact on confidentiality, integrity, and availability of the system.
Mitigation Recommendations
A patch is available for Microsoft SQL Server 2016 Service Pack 3 (GDR) to fix this vulnerability. It is recommended to apply the official update from Microsoft promptly to remediate the issue. Since this is not a cloud service, remediation depends on the customer applying the patch. No additional mitigation steps are specified by the vendor.
CVE-2026-26115: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
Description
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft SQL Server 2016 SP3 (GDR) arises from improper validation of input types, classified under CWE-1287. It enables an attacker with authorized access to escalate privileges remotely, potentially gaining higher-level control over the database server. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this issue.
Potential Impact
An authorized attacker can exploit this vulnerability remotely to elevate privileges on the affected SQL Server instance. This could lead to unauthorized access to sensitive data, modification or deletion of data, and disruption of database availability. The high CVSS score reflects the critical impact on confidentiality, integrity, and availability of the system.
Mitigation Recommendations
A patch is available for Microsoft SQL Server 2016 Service Pack 3 (GDR) to fix this vulnerability. It is recommended to apply the official update from Microsoft promptly to remediate the issue. Since this is not a cloud service, remediation depends on the customer applying the patch. No additional mitigation steps are specified by the vendor.
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: 69b05631ea502d3aa87d6b26
Added to database: 3/10/2026, 5:34:41 PM
Last enriched: 4/18/2026, 2:15:41 PM
Last updated: 4/28/2026, 7:26:56 AM
Views: 148
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