What’s Vulnerable › Vulnerabilities

CVE-2021-43891: Visual Studio Code Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-15 · updated 2026-10-08

Description

Visual Studio Code Remote Code Execution Vulnerability

Affected products

• Microsoft Visual Studio Code: before 1.63.2 — fixed in 1.63.2
• Microsoft Visual Studio Code: from 1.0.0 before 1.63.1 — fixed in 1.63.1

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code 1.63.2; Microsoft Visual Studio Code 1.63.1. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43891
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43891

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