External Control of File Name or Path in Visual Studio - CVE-2026-69805
Published: September 8, 2026
Vulnerability identifier: #VU147964
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69805
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to elevate privileges.
The vulnerability exists due to external control of file name or path in .NET when handling externally controlled file names or paths. A remote attacker can win a race condition involving an externally controlled file name or path to elevate privileges.
User interaction is required for exploitation.
Affected software
Visual Studio
How to mitigate CVE-2026-69805
Install security update from vendor's website.
Visual Studio - update to 17.14.40