Home/CVE/Microsoft Windows Shell Remote Code Execution Vulnerability
CVE

CVE-2018-8414

Microsoft 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.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.892
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

5
microsoft windows 10 1703all versions
microsoft windows 10 1709all versions
microsoft windows 10 1803all versions
microsoft windows server 1709all versions
microsoft windows server 1803all versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Aug 2018 · 05:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2018-8414
msrcCVE-2018-8414Remote Code Execution
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105016Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041458Broken LinkThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414PatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8414US Government Resource
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