CVE-2026-21518— GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
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I. Basic Information for CVE-2026-21518
Vulnerability Information
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Vulnerability Title
GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft GitHub Copilot and Visual Studio Code 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft GitHub Copilot and Visual Studio Code是美国微软（Microsoft）公司的一套智能编码工具组合。 Microsoft GitHub Copilot and Visual Studio Code存在命令注入漏洞。攻击者利用该漏洞可以绕过某些功能。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Visual Studio Code CoPilot Chat Extension | 0.27.0 ~ 0.37.1 | - | |
| Microsoft | Visual Studio Code | 1.0.0 ~ 1.110.1 | - |
II. Public POCs for CVE-2026-21518
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-02-10 · 54 CVEs total
| CVE-2026-21531 | 9.8 CRITICAL | Azure SDK for Python Remote Code Execution Vulnerability |
| CVE-2026-21255 | 8.8 HIGH | Windows Hyper-V Security Feature Bypass Vulnerability |
| CVE-2026-21256 | 8.8 HIGH | GitHub Copilot and Visual Studio Remote Code Execution Vulnerability |
| CVE-2026-21513 | 8.8 HIGH | MSHTML Framework Security Feature Bypass Vulnerability |
| CVE-2026-21510 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-21537 | 8.8 HIGH | Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability |
| CVE-2026-21516 | 8.8 HIGH | GitHub Copilot for Jetbrains Remote Code Execution Vulnerability |
| CVE-2026-21228 | 8.1 HIGH | Azure Local Remote Code Execution Vulnerability |
| CVE-2026-21523 | 8.0 HIGH | GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability |
| CVE-2026-21229 | 8.0 HIGH | Power BI Remote Code Execution Vulnerability |
| CVE-2026-21257 | 8.0 HIGH | GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability |
| CVE-2026-21239 | 7.8 HIGH | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-21514 | 7.8 HIGH | Microsoft Word Security Feature Bypass Vulnerability |
| CVE-2026-21240 | 7.8 HIGH | Windows HTTP.sys Elevation of Privilege Vulnerability |
| CVE-2026-20841 | 7.8 HIGH | Windows Notepad App Remote Code Execution Vulnerability |
| CVE-2026-21533 | 7.8 HIGH | Windows Remote Desktop Services Elevation of Privilege Vulnerability |
| CVE-2026-21236 | 7.8 HIGH | Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability |
| CVE-2026-21246 | 7.8 HIGH | Windows Graphics Component Elevation of Privilege Vulnerability |
| CVE-2026-21259 | 7.8 HIGH | Microsoft Excel Elevation of Privilege Vulnerability |
| CVE-2026-21519 | 7.8 HIGH | Desktop Window Manager Elevation of Privilege Vulnerability |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft Visual Studio Code CoPilot Chat Extension
- CVE-2026-23653
GitHub Copilot and Visual Studio Code Information Disclosure - CVE-2026-21523
GitHub Copilot and Visual Studio Code Remote Code Execution - CVE-2025-62449
Microsoft Visual Studio Code CoPilot Chat Extension Security - CVE-2025-62222
Agentic AI and Visual Studio Code Remote Code Execution Vuln - CVE-2025-21264
Visual Studio Code Security Feature Bypass Vulnerability
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-77
- CVE-2026-8210
aandrew-me tgpt Update helper.go helper.Update command injec - CVE-2026-42258
net-imap: Command Injection via unvalidated Symbol inputs - CVE-2026-42453
Termix: Command injection in extractArchive/compressFiles vi - CVE-2026-42271
LiteLLM: Authenticated command execution via MCP stdio test - CVE-2026-41500
electerm has Command Injection Vulnerability via runMac func
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