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CVE-2018-4396

19
FAUCET Score

CVE-2018-4396 addresses a validation issue in macOS prior to version 10.14, where insufficient input sanitization could lead to information disclosure. With a CVSS score of 5.5 (Medium), this vulnerability requires user interaction and local access for exploitation, potentially resulting in high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.14CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 62nd percentile among its peer group of 5,760 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / kb/HT209139
Vendor Advisory
support.apple.com / kb/HT209193
Vendor Advisory