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
CVE-2026-45482 is a path traversal vulnerability in the Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0. This flaw allows an unauthorized local attacker to bypass security restrictions by improperly limiting pathname access to restricted directories. The vulnerability has a high severity with a CVSS score of 8.4, indicating significant potential impact on confidentiality, integrity, and availability. An official fix is available to address this issue.
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 flaw enables an unauthorized attacker with local access to bypass security controls, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. The vulnerability has been assigned a high severity rating with a CVSS 3.1 base score of 8.4 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized local attacker to bypass security restrictions by traversing directories outside the intended scope. This can lead to full compromise of confidentiality, integrity, and availability of the affected system or data accessible through the Visual Studio Code CoPilot Chat Extension.
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 vendor-provided patch or update to a fixed version as soon as possible to remediate the issue.
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
CVE-2026-45482 is a path traversal vulnerability in the Microsoft Visual Studio Code CoPilot Chat Extension version 0.27.0. This flaw allows an unauthorized local attacker to bypass security restrictions by improperly limiting pathname access to restricted directories. The vulnerability has a high severity with a CVSS score of 8.4, indicating significant potential impact on confidentiality, integrity, and availability. An official fix is available to address this issue.
CVSS v3.1
Score 8.4high
Affected software
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 flaw enables an unauthorized attacker with local access to bypass security controls, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. The vulnerability has been assigned a high severity rating with a CVSS 3.1 base score of 8.4 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized local attacker to bypass security restrictions by traversing directories outside the intended scope. This can lead to full compromise of confidentiality, integrity, and availability of the affected system or data accessible through the Visual Studio Code CoPilot Chat Extension.
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 vendor-provided patch or update to a fixed version as soon as possible to remediate the issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45482
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
- Remediation Level
- official-fix
Threat ID: 6a29d5c30e53e738839c2804
Added to database: 06/10/2026, 21:23:15 UTC
Last enriched: 07/29/2026, 21:04:34 UTC
Last updated: 07/31/2026, 21:27:08 UTC
Views: 259
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