CVE-2026-45482: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Microsoft Microsoft Visual Studio Code CoPilot Chat Extension
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.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-45482 involves improper limitation of a pathname to a restricted directory (CWE-22) in the Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0. This path traversal weakness enables an unauthorized attacker with local access to bypass security controls, potentially leading to full confidentiality, integrity, and availability compromise of affected systems. Microsoft has published an official fix for this vulnerability, as referenced in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an attacker without privileges to bypass local security restrictions, resulting in complete compromise of confidentiality, integrity, and availability of the affected system. This could lead to unauthorized access to sensitive files and system resources.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users of Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0 should apply the provided patch as soon as possible. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482 for detailed remediation instructions.
CVE-2026-45482: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Microsoft Microsoft Visual Studio Code CoPilot Chat Extension
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.
CVSS v3.1
Score 8.4high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-45482 involves improper limitation of a pathname to a restricted directory (CWE-22) in the Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0. This path traversal weakness enables an unauthorized attacker with local access to bypass security controls, potentially leading to full confidentiality, integrity, and availability compromise of affected systems. Microsoft has published an official fix for this vulnerability, as referenced in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an attacker without privileges to bypass local security restrictions, resulting in complete compromise of confidentiality, integrity, and availability of the affected system. This could lead to unauthorized access to sensitive files and system resources.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users of Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0 should apply the provided patch as soon as possible. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482 for detailed remediation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:07:22.617Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482","vendor":"Microsoft"}]
Threat ID: 6a284cdc8dd33fbd85664d4b
Added to database: 6/9/2026, 5:26:52 PM
Last enriched: 6/9/2026, 10:12:40 PM
Last updated: 6/10/2026, 5:05:59 AM
Views: 2
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