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CVE-2018-8414

92
FAUCET Score

CVE-2018-8414 is a critical remote code execution vulnerability in the Windows Shell, affecting multiple versions of Windows 10 and Windows Server, stemming from improper validation of file paths. With a CVSS score of 8.8 (High), it can be exploited remotely with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, as confirmed by its presence in the CISA KEV catalog. Despite no public Metasploit or ExploitDB modules, it has garnered significant community discussion and media coverage, indicating widespread awareness and concern.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x64:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x86:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*

CVSS Data

CVSS version used by this source: 3.1

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
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
73.97%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Mar 25, 2022
This CVE's current EPSS score of 0.7397 is in the 100th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1709 (Server Core Installation)
View patch

Vendor Advisories (1)

microsoft2018-Aug/CVE-2018-8414Important

Windows Shell Remote Code Execution Vulnerability

Aug 14, 2018

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8414
PatchVendor Advisory
securityfocus.com / bid/105016
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1041458
Broken LinkThird Party AdvisoryVDB Entry