Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
The authentication feature could be bypassed as this vulnerability allows impersonation.
Security updates
1.123.2 — https://code.visualstudio.com/updates/
Vulnerabilities 1
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High 8.4
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
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.
Revision history
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#2
Updated the Security Updates build number and title as the Chat extension is now merged into Visual Studio Code. This is an informational change only.
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#1
Information published.
References
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CVE-2026-45482 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss