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Description

Improper neutralization of special elements in output used by a downstream component ('injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to bypass a security feature over a network.

PUBLISHED Reserved 2026-04-16 | Published 2026-05-12 | Updated 2026-05-20 | Assigner microsoft




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

1.0.0 (custom) before 1.119.1
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41109 (GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability) vendor-advisory patch

cve.org (CVE-2026-41109)

nvd.nist.gov (CVE-2026-41109)

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