CVE-2026
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Released: Sep 8, 2026
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Insufficiently protected credentials in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
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.
Sebastien Morin with smsecurity
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle .
Information published.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
