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CVE-2018-4147

31
FAUCET Score

CVE-2018-4147 describes multiple memory corruption vulnerabilities affecting iCloud for Windows, Safari, iTunes for Windows, and iOS, addressed by Apple with improved memory handling. This critical vulnerability carries a CVSS score of 9.8, indicating it can be exploited remotely with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the CVE has garnered significant community discussion with 10 mentions, primarily on GitHub.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.0.3CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 11.2.5CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 7.3CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
< 12.7.3CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

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
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 59th percentile among its peer group of 36,835 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

support.apple.com / HT208463
Vendor Advisory
support.apple.com / HT208465
Vendor Advisory
support.apple.com / HT208473
Vendor Advisory
support.apple.com / HT208474
Vendor Advisory
support.apple.com / HT208475
Vendor Advisory