CVE-2026-55002

Microsoft SQL Server Elevation of Privilege Vulnerability

State: Published
Severity: 8.8 High
Published: Jul 14, 2026
Updated: Nov 1, 2026
Reserved: Jun 16, 2026

Description

External control of file name or path in SQL Server allows an authorized attacker to elevate privileges over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	microsoft

Weaknesses

CWE-73 External Control of File Name or Path

Affected Products

Product	Versions
Microsoft SQL Server 2016 Service Pack 3 (GDR)Microsoft	13.0.0 to before 13.0.6500.1Affected
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature PackMicrosoft	13.0.0 to before 13.0.7095.1Affected
Microsoft SQL Server 2017 (CU 31)Microsoft	14.0.0 to before 14.0.3540.1Affected
Microsoft SQL Server 2017 (GDR)Microsoft	14.0.0 to before 14.0.2120.1Affected
Microsoft SQL Server 2019 (CU 32)Microsoft	15.0.0.0 to before 15.0.4480.2Affected
Microsoft SQL Server 2019 (GDR)Microsoft	15.0.0 to before 15.0.2180.2Affected
Microsoft SQL Server 2022 (GDR)Microsoft	16.0.0 to before 16.0.1190.2Affected
Microsoft SQL Server 2022 for x64-based Systems (CU 25)Microsoft	16.0.4260.1 to before 16.0.4262.2Affected
Microsoft SQL Server 2025 (CU 6)Microsoft	17.0.4060.2 to before 17.0.4060.2Affected
Microsoft SQL Server 2025 for x64-based Systems (GDR)Microsoft	17.0.1050.2 to before 17.0.1125.2Affected

References

Microsoft SQL Server Elevation of Privilege Vulnerabilityvendor-advisorypatch

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