# CVE-2026-65675: Microsoft Visual Studio Code CoPilot Chat security bypass

Source: https://junglewise.ai/threats/cve-2026-65675-microsoft-visual-studio-code-copilot-chat-security-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-11. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-65675 · Severity: high · CVSS 7.1 · Published 2026-08-11

Microsoft Visual Studio Code's CoPilot Chat extension contains a security feature bypass vulnerability that can be exploited over a network by an unauthorized attacker. This could allow attackers to circumvent intended security controls protecting developer workflows and sensitive code interactions within the IDE.

Technologies: [Microsoft GitHub Copilot Chat](https://junglewise.ai/threats/technologies/github-copilot-chat), [Microsoft Visual Studio Code](https://junglewise.ai/threats/technologies/visual-studio-code). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-65675 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-65675 being exploited in the wild.

**How severe is CVE-2026-65675?** High severity, with a CVSS score of 7.1, published 11 August 2026.

**Which products and versions are affected?** Microsoft Visual Studio Code CoPilot Chat Extension.

**Is there a fix for CVE-2026-65675?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-65675 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-65675?** Check whether you run Microsoft GitHub Copilot Chat, Microsoft Visual Studio Code or Microsoft Visual Studio Code CoPilot Chat Extension. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A security feature bypass vulnerability exists in the Visual Studio Code CoPilot Chat Extension. The vulnerability allows an unauthorized attacker to bypass a security feature via a network vector without requiring authentication. An attacker can exploit this to circumvent intended security controls. Microsoft has released a security update to address this issue; users should apply the patch immediately.

## Affected products

- Microsoft Visual Studio Code CoPilot Chat Extension

## Timeline

- 2026-08-11: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65675](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65675)

## Related threats

- [Microsoft Visual Studio Code untrusted search path remote code execution](https://junglewise.ai/threats/cve-2026-70094-untrusted-search-path-in-visual-studio-code-allows-an)
- [Visual Studio Code trust boundary violation](https://junglewise.ai/threats/cve-2026-121665-trust-boundary-violation-in-visual-studio-code-allows-an)
- [Microsoft Visual Studio Code cross-site scripting](https://junglewise.ai/threats/cve-2026-121664-improper-neutralization-of-input-during-web-page-generation)
- [Microsoft Visual Studio Code incomplete input validation security bypass](https://junglewise.ai/threats/cve-2026-121663-incomplete-list-of-disallowed-inputs-in-visual-studio-code)
- [Visual Studio Code command injection vulnerability](https://junglewise.ai/threats/cve-2026-121662-improper-neutralization-of-special-elements-used-in-a-command)