SB2026061282 - Path traversal in Microsoft Visual Studio Code CoPilot Chat Extension
Published: June 12, 2026
Security Bulletin ID
SB2026061282
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2026-45482)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in Microsoft Visual Studio Code CoPilot Chat Extension. A local attacker can bypass authentication feature on the system.
Remediation
Install update from vendor's website.