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CVE-2026-21516— GitHub Copilot for Jetbrains Remote Code Execution Vulnerability

CVSS 8.8 · High EPSS 0.03% · P9
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I. Basic Information for CVE-2026-21516

Vulnerability Information
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Vulnerability Title
GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code 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 for JetBrains 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft GitHub Copilot for JetBrains是美国微软（Microsoft）公司的一款 AI 编程助手插件，可安装在JetBrains出品的各款IDE中。 Microsoft GitHub Copilot for JetBrains存在命令注入漏洞。攻击者利用该漏洞可以远程执行代码。
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

VendorProductAffected VersionsCPESubscribe
MicrosoftGitHub Copilot Plugin for JetBrains IDEs 1.0.0 ~ 1.5.63 -

II. Public POCs for CVE-2026-21516

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III. Intelligence Information for CVE-2026-21516

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Same Patch Batch · Microsoft · 2026-02-10 · 54 CVEs total

CVE-2026-215319.8 CRITICALAzure SDK for Python Remote Code Execution Vulnerability
CVE-2026-215378.8 HIGHMicrosoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
CVE-2026-215108.8 HIGHWindows Shell Security Feature Bypass Vulnerability
CVE-2026-212558.8 HIGHWindows Hyper-V Security Feature Bypass Vulnerability
CVE-2026-215188.8 HIGHGitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-215138.8 HIGHMSHTML Framework Security Feature Bypass Vulnerability
CVE-2026-212568.8 HIGHGitHub Copilot and Visual Studio Remote Code Execution Vulnerability
CVE-2026-212288.1 HIGHAzure Local Remote Code Execution Vulnerability
CVE-2026-215238.0 HIGHGitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-212578.0 HIGHGitHub Copilot and Visual Studio Elevation of Privilege Vulnerability
CVE-2026-212298.0 HIGHPower BI Remote Code Execution Vulnerability
CVE-2026-212367.8 HIGHWindows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-215337.8 HIGHWindows Remote Desktop Services Elevation of Privilege Vulnerability
CVE-2026-215147.8 HIGHMicrosoft Word Security Feature Bypass Vulnerability
CVE-2026-212517.8 HIGHCluster Client Failover (CCF) Elevation of Privilege Vulnerability
CVE-2026-212327.8 HIGHWindows HTTP.sys Elevation of Privilege Vulnerability
CVE-2026-212397.8 HIGHWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-212387.8 HIGHWindows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-212317.8 HIGHWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-212597.8 HIGHMicrosoft Excel Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: GitHub Copilot Plugin for JetBrains IDEs
Same vendor: Microsoft
Same weakness: CWE-77

V. Comments for CVE-2026-21516

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