---
id: CVE-2026-41109
title: GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
summary: >-
  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.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-74
vendor: Microsoft
product: Visual Studio Code
affected:
  - visual_studio_code >= 1.0.0 < 1.128.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-05-13T03:56:31.643576Z'
published: '2026-05-12'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T22:33:12.130Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-41109'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41109'
    label: >-
      GitHub Copilot and Visual Studio Code Security Feature Bypass
      Vulnerability
tags:
  - cve.org
epss: 0.00861
epssPercentile: 0.56514
ingestedAt: '2026-09-08T17:06:31.907Z'
---

## Overview

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.

## Affected

- `visual_studio_code >= 1.0.0 < 1.128.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.