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CVE-2021-31938: Microsoft VsCode Kubernetes Tools Extension Elevation of Privilege Vulnerability

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-08 · updated 2026-06-17

Description

Microsoft VsCode Kubernetes Tools Extension Elevation of Privilege Vulnerability

Affected products

• Microsoft Kubernetes Tools: all versions
• Microsoft Visual Studio Code - Kubernetes Tools: from 1.0.0 before 1.3.1 — fixed in 1.3.1

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code - Kubernetes Tools 1.3.1. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31938
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31938

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