External Control of File Name or Path in Microsoft SQL Server - CVE-2026-55002
Published: July 17, 2026
Vulnerability identifier: #VU138258
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-55002
CWE-ID: CWE-73
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to external control of file name or path in SQL Server, which leads to security restrictions bypass and privilege escalation.
Affected software
Microsoft SQL Server
How to mitigate CVE-2026-55002
Install updates from vendor's website.
Microsoft SQL Server - addressed in versions 2016 SP3 13.0.7095.1, 2016 SP3 GDR 13.0.6500.1, 2017 GDR 14.0.2120.1, 2017 CU31 14.0.3540.1, 2019 GDR 15.0.2180.2, 2019 CU32 15.0.4480.2, 2022 GDR 16.0.1190.2, 2022 CU25 16.0.4262.2, 2025 GDR 17.0.1125.2, 2025 CU6 + GDR 17.0.4060.2