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CVE-2018-4440

17
FAUCET Score

CVE-2018-4440 addresses a logic issue related to improved state management in several Apple products, including iOS prior to 12.1.1, Safari prior to 12.0.2, iTunes for Windows prior to 12.9.2, and iCloud for Windows prior to 7.9. This vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with low attack complexity requiring user interaction, potentially leading to a low impact on integrity. There is no evidence of active exploitation, no publicly available exploit code in Metasploit or ExploitDB, and minimal community discussion or media coverage, suggesting a low current threat profile.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.0.2CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 12.1.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 7.9CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
< 12.9.2CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.62%
Probability of exploitation in next 30 days
EPSS Percentile
73.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0162 is in the 86th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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/HT209340
Vendor Advisory
support.apple.com / kb/HT209344
Vendor Advisory
support.apple.com / kb/HT209345
Vendor Advisory
support.apple.com / kb/HT209346
Vendor Advisory