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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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 affected
Version Status Constraints
0.27.0 affected < 1.123.1

No data.

No data.

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Project Subscriptions

Vendors Products
Microsoft Subscribe
Visual Studio Code Copilot Chat Extension Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482 cve-icon cve-icon
History

Tue, 09 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
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.
Title Microsoft Visual Studio Code CoPilot Chat Extension Security Feature Bypass Vulnerability
First Time appeared Microsoft
Microsoft visual Studio Code Copilot Chat Extension
Weaknesses CWE-22
CPEs cpe:2.3:a:microsoft:visual_studio_code_copilot_chat_extension:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft visual Studio Code Copilot Chat Extension
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-09T17:49:06.758Z

Reserved: 2026-05-12T16:07:22.617Z

Link: CVE-2026-45482

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T17:17:22.587

Modified: 2026-06-09T19:32:51.440

Link: CVE-2026-45482

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T19:15:12Z

Weaknesses