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CVE-2018-4287

32
FAUCET Score

CVE-2018-4287 is a critical memory corruption vulnerability affecting macOS High Sierra versions prior to 10.13.6, stemming from inadequate memory handling. With a CVSS score of 9.8, it presents a severe risk as it can be exploited remotely without user interaction (AV:N/AC:L/PR:N/UI:N), potentially leading to complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.13.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.06%
Probability of exploitation in next 30 days
EPSS Percentile
79.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0206 is in the 68th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

packetstormsecurity.com / files/172831/macOS-NFS-Client-Buffer-Overflow.html
support.apple.com / kb/HT208937
Vendor Advisory
support.apple.com / kb/HT209193
Vendor Advisory