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CVE-2018-4373

27
FAUCET Score

CVE-2018-4373 describes multiple memory corruption vulnerabilities addressed by Apple in iOS, watchOS, Safari, iTunes, and iCloud for Windows prior to specific versions. With a CVSS score of 8.8 (High), this vulnerability is remotely exploitable with low attack complexity, requiring user interaction, and could lead to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.0.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 12.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 5.1CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
< 7.8CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
< 12.9.1CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 74th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / kb/HT209192
Vendor Advisory
support.apple.com / kb/HT209195
Vendor Advisory
support.apple.com / kb/HT209196
Vendor Advisory
support.apple.com / kb/HT209197
Vendor Advisory
support.apple.com / kb/HT209198
Vendor Advisory