CVE-2026-45482 - Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

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HIGH

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

Published Jun 9, 2026

8.4

HIGH

CVSS 3.1

EPSS 0.41%

Description

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

Affected products

Vendor Microsoft Product Microsoft Visual Studio Code CoPilot Chat Extension Default
n/a
- Version
  0.27.0
  Status
  affected
  Constraints
  <1.123.2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Microsoft

Microsoft Visual Studio Code CoPilot Chat Extension

n/a

Version	Status	Constraints
0.27.0	affected	<1.123.2

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-22

Path Traversal

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-35547
Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482
vendor-advisorypatchVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-35547		Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482		vendor-advisorypatchVendor Advisory