What’s Vulnerable › Vulnerabilities

CVE-2021-34479: Microsoft Visual Studio Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-08-10

Description

Microsoft Visual Studio Spoofing Vulnerability

Affected products

• Microsoft Visual Studio Code: before 1.58.1 — fixed in 1.58.1
• Microsoft Visual Studio Code: from 1.0.0 before 1.58 — fixed in 1.58

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code 1.58.1; Microsoft Visual Studio Code 1.58. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34479
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34479

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