CVE-2018-8414Microsoft Windows Shell Remote Code Execution Vulnerability

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.

8.8 HIGHEPSS 72.62%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:04 UTC

OverviewCVSS details

8.8HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Aug 15, 2018
Assigner: microsoft

Affected

Windows 10 Servers (Microsoft)

Versions: version 1709 (Server Core Installation) · version 1803 (Server Core Installation)

+1 more product →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Mar 25, 2022
KEV due date: Apr 15, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

72.62%chance of exploitation in 30 days

Higher than 99.44% of CVEs

CVSS 3.1 · NVD

8.8High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

9.3High

AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Medium
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.8	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.3	HIGH	2.0NVD	AV:N/AC:M/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Apr 15, 2022

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Details

CVE ID: CVE-2018-8414
Status: Analyzed
Assigner (CNA): microsoft
Published: Aug 15, 2018
Last modified: 2026-06-17 02:04 UTC
Weaknesses: CWE-20

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:07 UTC.