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CRITICAL severity

CVE-2026-120779 — Microsoft

CRITICAL

CVE-2026-120779 is a critical-severity (CVSS 9.6) Code Injection vulnerability. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Improper control of generation of code ('code injection') in Visual Studio Code allows an unauthorized attacker to execute code over a network.

Published
Updated
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

Improper control of generation of code ('code injection') in Visual Studio Code allows an unauthorized attacker to execute code over a network.

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    The records we use list no fixed release for CVE-2026-120779. Check the upstream advisory for a patched version, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

Improper control of generation of code ('code injection') in Visual Studio Code allows an unauthorized attacker to execute code over a network.
O3 Security · Impact-Aware SCA

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