Product:
GitHub Copilot and Visual Studio
Summary
Improper neutralization of special elements used in a command allows an authorized attacker to elevate privileges over a network. This vulnerability can lead to significant security risks if exploited. Attackers can leverage this flaw to gain unauthorized access and control over affected systems.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 8 | CVE-2026-21257 |
Exploitation
To exploit this vulnerability, an attacker must have authorized access to the system and can then craft specific commands that take advantage of the improper handling of special elements. By executing these commands over the network, the attacker can elevate their privileges, potentially gaining control over sensitive data and system functions.
Affected Products
- GitHub Copilot: A tool that assists developers by providing code suggestions and completions.
- Visual Studio: An integrated development environment used for developing applications across various platforms.
Mitigation
To mitigate this vulnerability, it is essential to apply the latest security updates provided by Microsoft. Additionally, organizations should implement strict access controls and monitor network activity to detect any unauthorized attempts to exploit this flaw.