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CVE-2018-4139

34
FAUCET Score

CVE-2018-4139 is a memory corruption vulnerability in the kext tools component of macOS versions prior to 10.13.4. This flaw allows a crafted application to achieve arbitrary code execution with elevated privileges or trigger a denial-of-service condition. Rated with a CVSS score of 7.8 (High), it requires user interaction to exploit but can lead to complete compromise of confidentiality, integrity, and availability. While no active exploitation or Metasploit/Nuclei modules are reported, a proof-of-concept exploit exists on ExploitDB, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.13.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.44%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-44561 · Apr 30, 2018
This CVE's current EPSS score of 0.0444 is in the 91st percentile among its peer group of 11,621 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / HT208692
Vendor Advisory
exploit-db.com / exploits/44561
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/103582
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040608
Third Party AdvisoryVDB Entry