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CVE-2018-4467

25
FAUCET Score

CVE-2018-4467 is a memory corruption vulnerability affecting Apple macOS, which could allow a malicious application to elevate privileges. With a CVSS score of 7.8 (High), this vulnerability requires user interaction (UI:R) and local access (AV:L), but once exploited, it can lead to high confidentiality, integrity, and availability impacts. While no public exploit code (Metasploit, Nuclei, ExploitDB) is available and it's not listed in CISA's KEV catalog, it has received some community discussion and media coverage, indicating awareness of its potential risk. Apple addressed this issue in macOS Mojave 10.14.3 and various security updates for High Sierra and Sierra.

Impacted Technologies

VendorProductVersion(s)CPE
>= 10.12.6, < 10.14.3CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
>= 10.14.1, < 10.14.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
< 10.14CPE match
cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 49th 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

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 / en-us/HT209341
Vendor Advisory
support.apple.com / en-us/HT209446
Vendor Advisory