What’s Vulnerable › Vulnerabilities

CVE-2026-57101: Visual Studio Code Security Feature Bypass Vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-14 · updated 2026-10-28
• Weakness: CWE-79

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Affected products

• Microsoft Visual Studio Code: from 1.0.0 before 1.128.1 — fixed in 1.128.1
• Microsoft Visual Studio Code: from 1.0.0 before 1.128.1 — fixed in 1.128.1

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code 1.128.1; Microsoft Visual Studio Code 1.128.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57101

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