MicrosoftCVE-2026-54981

Microsoft Python extension for Visual Studio Code: protection mechanism failure

CVE-2026-54981 · Published Aug 11, 2026 · updated Aug 22, 2026

High7.8

Fix: upgrade to 2026.3.1 or later

Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.

Affected versions

Package	Affected	Fixed in
Python extension for Visual Studio Code Product	>= 2020, < 2026.3.1	2026.3.1

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-693, CWE-829

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