Is CVE-2018-8414 actively exploited?

CVE-2018-8414 has no public evidence of in-the-wild exploitation as of 2025-10-28.

What is the CVSS score for CVE-2018-8414?

CVE-2018-8414 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-8414?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-8414.

Fix CVE-2018-8414 - HIGH microsoft windows 10 1703

Q: Which products are affected by CVE-2018-8414?

8 products: microsoft windows 10 1703, microsoft windows 10 1703, microsoft windows 10 1709, microsoft windows 10 1709, microsoft windows 10 1803, and 3 more.

Description

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-20 · Improper Input Validation CWE-20 · Improper Input Validation

Metadata

Primary Vendor: MICROSOFT
Published: 8/15/2018
Last Modified: 10/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : windows_10_1703microsoft : windows_10_1703microsoft : windows_10_1709microsoft : windows_10_1709microsoft : windows_10_1803microsoft : windows_10_1803microsoft : windows_server_1709microsoft : windows_server_1803

Remediation Guidance

Executive Summary

View on NIST NVD