External Control of File Name or Path in Windows and Windows Server - CVE-2026-41088

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Main Vulnerability Database Vulnerabilities #VU131223

External Control of File Name or Path in Windows and Windows Server - CVE-2026-41088

Published: May 12, 2026


Vulnerability identifier: #VU131223
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-2026-41088
CWE-ID: CWE-73
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows 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 Windows Ancillary Function Driver for WinSock. A local user can gain elevated privileges on the target system.


How to mitigate CVE-2026-41088

Install updates from vendor's website.

Sources