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CVE-2026-65675: CoPilot Chat Security Feature Bypass Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-30
• Weakness: CWE-862

Description

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

Affected products

• Microsoft Visual Studio Code CoPilot Chat Extension: all versions
• Microsoft Visual Studio Code CoPilot Chat Extension: from 0.27.0 before 1.132.1 — fixed in 1.132.1

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code CoPilot Chat Extension 1.132.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65675

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