CVE-2026-102233 in Visual Studio Code
Summary
by MITRE • 10/13/2026
Missing authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
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Analysis
by VulDB Data Team • 10/14/2026
The vulnerability identified as missing authorization within the Visual Studio Code environment represents a critical flaw in local access control mechanisms, specifically affecting how the editor handles privileged operations or sensitive configuration states when executed by unprivileged users. This issue stems from an insufficient verification of user permissions before allowing actions that could alter the security posture of the development workspace or interact with system-level resources. In typical software architecture, authorization checks are designed to ensure that only authenticated and authorized entities can perform specific functions; however, in this instance, the application fails to enforce these boundaries effectively during local execution. This oversight allows an attacker who has already gained access to the user's session or terminal environment to bypass security features intended to restrict certain behaviors, such as modifying workspace settings, accessing sensitive files, or executing commands that require elevated privileges without proper authentication prompts.
From a technical perspective, this flaw aligns with CWE-269, which classifies Improper Privilege Management, and more specifically CWE-862, Missing Authorization. The root cause lies in the application logic where certain API calls or internal methods do not validate whether the current context possesses the necessary rights to proceed. For example, if Visual Studio Code exposes an interface for changing security-sensitive configurations like trusted folders or extension permissions, a lack of rigorous authorization checks means that any process running under the user's account can invoke these interfaces directly. This bypasses the graphical user interface safeguards and allows automated scripts or malicious extensions to manipulate the environment without explicit user consent or verification. The vulnerability is particularly dangerous because it exploits the trust model inherent in local development tools, assuming that if a user has opened the editor, they are authorized to make all changes within it, which may not hold true in multi-user systems or when running with restricted shell permissions.
The operational impact of this vulnerability extends beyond simple configuration tampering. An unauthorized attacker can leverage this flaw to disable security features such as remote SSH restrictions, modify trusted extension lists to allow malicious code execution, or alter workspace trust settings to bypass integrity checks on source files. This effectively neutralizes several layers of defense that Visual Studio Code provides out-of-the-box for secure development practices. By bypassing these controls, an attacker can establish persistence within the development environment, exfiltrate sensitive project data stored in local directories, or use the compromised editor as a pivot point to attack other systems if network access is available. The severity is amplified by the widespread adoption of Visual Studio Code among enterprise developers who often handle proprietary code and confidential intellectual property, making any breach of its security assumptions potentially costly for organizations relying on secure coding practices.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Users should ensure they are running the latest version of Visual Studio Code where this authorization logic has been corrected by Microsoft through patches that enforce stricter permission checks before allowing modifications to sensitive settings. Administrators should implement strict application control policies using tools like Windows Defender Application Control or macOS Gatekeeper to prevent unauthorized binaries from executing, thereby limiting the attack surface even if a vulnerability exists in the editor itself. Additionally, developers and security teams should adopt least-privilege principles by running development environments with minimal necessary permissions and avoiding the use of administrative accounts for daily coding tasks. Regular audits of installed extensions are also crucial, as malicious extensions could exploit this missing authorization to perform unauthorized actions silently. Industry standards such as MITRE ATT&CK technique T1059 Command and Scripting Interpreter highlight how attackers might abuse local scripts; therefore, monitoring for unusual script execution patterns within the IDE can provide early detection indicators of exploitation attempts related to this vulnerability.