What is CVE-2026-65675?

CVE-2026-65675 is a high-severity vulnerability in Microsoft Visual Studio Code Copilot Chat Extension, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-08-11.

How severe is CVE-2026-65675?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Microsoft Visual Studio Code Copilot Chat Extension

CVE-2026-65675

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

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.

Affected products

Microsoft Visual Studio Code Copilot Chat Extension — versions 0.27.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-65675?: CVE-2026-65675 is a high-severity vulnerability in Microsoft Visual Studio Code Copilot Chat Extension, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-08-11.
How severe is CVE-2026-65675?: High severity. CVSS v3 base score is 7.1 out of 10.