High 8.8Known exploited (CISA KEV)Published Aug 15, 2018

CVE-2018-8414A 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, Wi…

Updated under an hour ago (2026-10-19 07:50 UTC)

Does this affect you?

It affects Microsoft Windows 10 Servers and 6 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022. Treat that date as your deadline.

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Every CVE for Microsoft Windows 10 Servers

Exploited in the last 30 days

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: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-20
Known exploited: Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 72.91% (percentile 99)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows 10 Servers microsoft:windows_10_servers (from the name)	version 1709 (Server Core Installation); version 1803 (Server Core Installation)	CNA record
Microsoft Windows 10 microsoft:windows_10 (from the name)	Version 1703 for 32-bit Systems; Version 1703 for x64-based Systems; Version 1709 for 32-bit Systems; Version 1709 for x64-based Systems; Version 1803 for 32-bit Systems; Version 1803 for x64-based Systems	CNA record
microsoft windows_10_1703 microsoft:windows_10_1703	all versions; all versions	NVD
microsoft windows_10_1709 microsoft:windows_10_1709	all versions; all versions	NVD
microsoft windows_10_1803 microsoft:windows_10_1803	all versions; all versions	NVD
microsoft windows_server_1709 microsoft:windows_server_1709	all versions	NVD
microsoft windows_server_1803 microsoft:windows_server_1803	all versions	NVD

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414x-refsource-confirm, patch, vendor-advisory
http://www.securityfocus.com/bid/105016vdb-entry, x-refsource-bid, broken-link, third-party-advisory
http://www.securitytracker.com/id/1041458vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8414us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.