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Microsoft Security Response CenterCVE-2026-65675

CoPilot Chat Security Feature Bypass Vulnerability

No cwe for this issue in Visual Studio Code CoPilot Chat Extension allows an unauthorized attacker to bypass a security feature over a network.

Read the vendor bulletin Get alerts for Microsoft Visual Studio Code CoPilot Chat Extension
7.1CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Visual Studio Code CoPilot Chat Extension

Versions the vendor lists as fixed

  • 2026.3.1
Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added fixed versions: 2026.3.1.
    • Removed fixed versions: 1.132.1.
    • The vendor changed its remediation guidance.
    • The vendor changed its remediation guidance.
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-65675View CVSS, KEV, EPSS, and threat context
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