MSRC-CVE-2026-81381 — GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability

Summary

Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What type of information could be disclosed by this vulnerability?
This vulnerability could expose a sign-in access token for a user’s work account. If disclosed, that token could allow access to data and services that the user is authorized to use, potentially including sensitive organizational information.

Security updates
1.136.2 — https://code.visualstudio.com/updates/v1_136

Vulnerabilities 1

Medium 6.5

CVE-2026-81381

GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability

Insufficiently protected credentials in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.

Microsoft Visual Studio Code

Sep 8, 2026

Revision history

2026-09-08 #1
Information published.

References

CVE-2026-81381 GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81381
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss