CVE-2026-21257

CVSS Score & Metrics

Base Score

8.0 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

February 10, 2026

Last Modified

February 11, 2026

CWE ID

CWE-77

Source

NVD

Vendor

microsoft

Product

visual_studio_2022

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21257

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

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