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CVE-2025-49714: Visual Studio Code Python Extension Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 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: 2025-07-08 · updated 2026-06-17
• Weakness: CWE-501

Description

Trust boundary violation in Visual Studio Code - Python extension allows an unauthorized attacker to execute code locally.

Affected products

• Microsoft Python extension for Visual Studio Code: before 2025.8.1 — fixed in 2025.8.1
• Microsoft Python extension for Visual Studio Code: from 2020 before 2025.8.1 — fixed in 2025.8.1

How to fix

Upgrade to a fixed version: Microsoft Python extension for Visual Studio Code 2025.8.1; Microsoft Python extension for Visual Studio Code 2025.8.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49714

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