Vulnerability Details CVE-2026-21257
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.4%
CVSS Severity
CVSS v3 Score 8.0
Products affected by CVE-2026-21257
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.0
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.1
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.10
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.11
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.12
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.13
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.14
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.15
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.16
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.17
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.18
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.19
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.2
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.20
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.21
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.22
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.23
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.24
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.25
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.3
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.4
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.5
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.6
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.7
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.8
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cpe:2.3:a:microsoft:visual_studio_2022:17.14.9