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CRITICAL severity

CVE-2026-102238 — Microsoft

CRITICAL

CVE-2026-102238 is a critical-severity (CVSS 9.6) Path Traversal vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

Improper limitation of a pathname to a restricted directory ('path traversal') 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 Oct 14, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs50th percentile — riskier than 50% of all scored CVEsHighest risk

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

How urgent is this, really

CVE-2026-102238 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

Improper limitation of a pathname to a restricted directory ('path traversal') 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

    No fixed release is recorded for CVE-2026-102238 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to execute code over a network.
O3 Security · Impact-Aware SCA

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CVE-2026-102238: Microsoft Path Traversal (Critical 9.6)