Vulnerability · Published May 12, 2026 · Assigned by microsoft

CVE-2026-41109GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability

High 8.8

In plain English

A high-severity injection in Visual Studio Code from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 41.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Visual Studio Code	1.0.0 – before 1.128.1

Weakness: CWE-74 · Vector: 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

References

GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability vendor-advisory, patch