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HIGH severity

CVE-2026-102234 — Microsoft

HIGH

CVE-2026-102234 is a high-severity (CVSS 7.4) CWE-807 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

Reliance on untrusted inputs in a security decision in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Published
Updated
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Oct 14, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs49th percentile — riskier than 49% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-102234 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 388,997 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

Reliance on untrusted inputs in a security decision in Visual Studio Code allows an unauthorized attacker to bypass a security feature 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

    No fixed release is recorded for CVE-2026-102234 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Reliance on untrusted inputs in a security decision in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
O3 Security · Impact-Aware SCA

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CVE-2026-102234: Microsoft (High 7.4)