Product · Microsoft

Microsoft Visual Studio 2026 version 18.3

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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High 8.8

CVE-2026-21256

GitHub Copilot and Visual Studio Remote Code Execution Vulnerability

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to execute code over a network.

Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft Visual Studio 2026 version 18.3

Feb 10, 2026
High 8.0

CVE-2026-21257

GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker to elevate privileges over a network.

Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft Visual Studio 2026 version 18.3

Feb 10, 2026