CVE DATABASE / CVE-2018-8414
CVE-2018-8414
Microsoft Windows Shell Remote Code Execution Vulnerability
CVSS 8.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-25.
Federal remediation due 2022-04-15.
Required action: Apply updates per vendor instructions.
Summary
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 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | 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 | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft windows 10 1703Microsoft windows 10 1709Microsoft windows 10 1803Microsoft windows server 1709Microsoft windows server 1803
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References
- http://www.securityfocus.com/bid/105016
- http://www.securitytracker.com/id/1041458
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8414
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-28. Always verify against the vendor advisory before acting.