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CVE-2018-4162

59
FAUCET Score

CVE-2018-4162 is a critical WebKit memory corruption vulnerability affecting multiple Apple products, including iOS, Safari, iCloud for Windows, iTunes for Windows, tvOS, and watchOS, allowing remote attackers to execute arbitrary code or cause a denial of service via a crafted website. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector and low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While not currently on the CISA KEV catalog or showing widespread community discussion, a Metasploit module exists for an older iOS version, indicating the potential for exploitation. Its high FAUCET Risk Score of 98/100 underscores the severity of this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 11.3CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 11.3CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 4.3CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
< 7.4CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*

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
38.60%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Safari Webkit JIT Exploit for iOS 7.1.2 · Aug 25, 2016
This CVE's current EPSS score of 0.3860 is in the 99th percentile among its peer group of 14,848 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

packetstormsecurity.com / files/158874/Safari-Webkit-For-iOS-7.1.2-JIT-Optimization-Bug.html
security.gentoo.org / glsa/201808-04
Third Party Advisory
support.apple.com / HT208693
Vendor Advisory
support.apple.com / HT208694
Vendor Advisory
support.apple.com / HT208695
Vendor Advisory
support.apple.com / HT208696
Vendor Advisory
support.apple.com / HT208697
Vendor Advisory
support.apple.com / HT208698
Vendor Advisory
usn.ubuntu.com / 3635-1
Third Party Advisory
securitytracker.com / id/1040604
Third Party AdvisoryVDB Entry