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 v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-55002
CWE-ID: CWE-73
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SQL Server
Microsoft SQL Server
Detailed vulnerability description
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.
How to mitigate CVE-2026-55002
Install updates from vendor's website.