CVE-2026-21516
Analyzed Analyzed - Analysis Complete
Command Injection in GitHub Copilot Enables Remote Code Execution

Publication date: 2026-02-10

Last updated on: 2026-02-11

Assigner: Microsoft Corporation

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.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft github_copilot to 1.5.63-243 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
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Executive Summary

This vulnerability is a command injection flaw in Github Copilot caused by improper neutralization of special elements used in commands. It allows an unauthorized attacker to execute arbitrary code remotely over a network.

Impact Analysis

The vulnerability can have severe impacts including unauthorized remote code execution, which may lead to full compromise of the affected system. This can result in loss of confidentiality, integrity, and availability of data and services.

Compliance Impact

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Detection Guidance

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