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CVE-2026-78461: Visual Studio Code Security Feature Bypass Vulnerability

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-08 · updated 2026-10-31
• Weakness: CWE-22

Description

Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Affected products

• Microsoft Visual Studio Code: before 1.136.2 — fixed in 1.136.2
• Microsoft Visual Studio Code: from 1.0.0 before 1.136.2 — fixed in 1.136.2

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code 1.136.2; Microsoft Visual Studio Code 1.136.2. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78461

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