CVE-2026-70334: Visual Studio Code Security Feature Bypass Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Security Feature Bypass

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Sep

Released

2026-09-08

Description

Incomplete list of disallowed inputs in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

FAQ

What security feature could be bypassed by successfully exploiting this vulnerability? An attacker who successfully exploited this vulnerability could bypass the Visual Studio Code Workspace Trust feature, allowing content from an untrusted workspace to run commands or code without the user first granting trust. See Workspace Trust for more information.

Affected Products (1)

Developer Tools

• Visual Studio Code

Security Updates (1)

• Release Notes

Acknowledgments

Khai Tran with OpenAI

Revision History

• 2026-09-08: Information published.