CVE-2026-102232 in Visual Studio Code
Summary
by MITRE • 10/13/2026
Incorrect 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 incorrect authorization within Microsoft Visual Studio Code represents a critical flaw in the application's local access control mechanisms. This issue stems from a failure to properly validate user privileges before executing sensitive operations or accessing restricted resources, effectively allowing an unauthorized attacker to bypass intended security features on the host system. In the context of integrated development environments like VS Code, which often handle source code, configuration files, and remote connections, such authorization failures can have significant implications for data integrity and confidentiality. The flaw typically arises when internal APIs or command handlers do not strictly enforce role-based access controls, permitting actions that should be restricted to administrators or specific user roles to be performed by any authenticated local user or even unauthenticated processes depending on the execution context.
From a technical perspective, this vulnerability aligns with CWE-269, which classifies Improper Privilege Management, and more specifically CWE-862, Missing Authorization. The root cause often involves insufficient checks before granting access to internal services such as extension hosts, debug adapters, or terminal processes. When an attacker exploits this weakness, they can manipulate the application's state to execute commands with elevated privileges that were not intended for their user context. This might include reading sensitive configuration files, modifying workspace settings that affect security policies, or executing arbitrary code through vulnerable extensions if those extensions rely on the flawed authorization logic. The exploitation is generally local in nature, requiring physical access or remote desktop capabilities to interact directly with the running instance of Visual Studio Code.
The operational impact of this vulnerability extends beyond simple privilege escalation within the application itself. Since VS Code frequently interacts with external tools and services, an attacker could leverage this flaw to compromise connected environments. For instance, if the IDE is configured for remote development or SSH connections, bypassing local authorization checks might allow the injection of malicious commands into terminal sessions or extension processes that communicate with remote hosts. This can lead to unauthorized data exfiltration, persistence mechanisms being established on the host machine, or further lateral movement within a networked environment. The ATT&CK framework categorizes such behaviors under techniques related to privilege escalation and defense evasion, particularly T1068 Exploitation for Privilege Escalation and potentially T1548 Abuse Elevation Control Mechanism if system-level controls are circumvented through the application's elevated permissions.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Users should immediately update Visual Studio Code to the latest stable release where Microsoft has addressed these authorization checks in subsequent patches. It is crucial to review installed extensions, as third-party add-ons may also introduce similar vulnerabilities if they do not adhere to strict security standards; disabling unnecessary or untrusted extensions reduces the attack surface significantly. Furthermore, organizations should enforce least-privilege principles by running development environments with minimal necessary permissions and avoiding the use of elevated accounts for routine coding tasks. Implementing application whitelisting and monitoring for unusual process creation events can also help detect exploitation attempts in real-time. Regular security audits of custom extensions and adherence to secure coding practices within internal toolchains are essential steps to prevent recurrence of such authorization flaws.