CVE-2026-41109Important
GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
Assessment
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
- Important
- CVSS base score
- 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 - Impact
- Security Feature Bypass
- EPSS, next 30 days
- 0.9%Higher than 56.9% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
- Exploitability
- Exploitation Less Likely
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- GitHub Copilot and Visual Studio
- Weakness
- CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- Issued by
- Microsoft
- Published
- 14 Jul 2026 · July 2026
- Last revised
- 14 Jul 2026
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.
Affected products
Developer Tools1 affected product
- Visual Studio Code