CVE-2026-55002: CWE-73: External Control of File Name or Path in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves external control of file name or path in Microsoft SQL Server 2016 Service Pack 3 (GDR), enabling an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. The vulnerability requires low attack complexity and no user interaction. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially leading to full compromise of the SQL Server instance and associated data confidentiality, integrity, and availability impacts.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002 to remediate this vulnerability.
CVE-2026-55002: CWE-73: External Control of File Name or Path in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
Description
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves external control of file name or path in Microsoft SQL Server 2016 Service Pack 3 (GDR), enabling an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. The vulnerability requires low attack complexity and no user interaction. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially leading to full compromise of the SQL Server instance and associated data confidentiality, integrity, and availability impacts.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002","vendor":"Microsoft"}]
Threat ID: 6a566f8068715ace43e6bf52
Added to database: 07/14/2026, 17:18:56 UTC
Last enriched: 07/14/2026, 17:49:56 UTC
Last updated: 07/14/2026, 21:39:48 UTC
Views: 3
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