Executive brief
Microsoft Visual Studio Code, a widely used code editor for software development, contains a critical security flaw that could allow an unauthorized person to gain elevated permissions. By exploiting this weakness over a network, an attacker could potentially take full control of a developer's environment or access sensitive project data. This poses a significant risk to organizational security and the integrity of the software supply chain.
Technical details
A critical vulnerability exists in Microsoft Visual Studio Code due to improper input validation, which can lead to unauthorized privilege escalation. The flaw is associated with missing authentication for critical functions (CWE-306), the use of hard-coded credentials (CWE-798), and missing authorization (CWE-862). An unauthenticated attacker can exploit this over the network, though it requires some level of user interaction (UI:R) and results in a scope change (S:C). Successful exploitation allows for complete compromise of confidentiality, integrity, and availability. Users are advised to consult the Microsoft Security Update Guide for patching information.
Affected products
- Microsoft Visual Studio Code
Timeline
- 2026-06-09: disclosed
- 2026-06-09: advisory