CVE-2018-4438
Status: ModifiedHigh (8.8)—💥 Exploit
A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 5.83%
- Percentile among all scored CVEs: 93
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
💥 Public exploits
Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.
- Published on Exploit-DB · WebKit JIT - Int32/Double Arrays can have Proxy Objects in the Prototype Chains (12/13/2018)
Affected technologies (6)
CWEs
- CWE-119
References
- https://support.apple.com/kb/HT209340
- https://support.apple.com/kb/HT209342
- https://support.apple.com/kb/HT209343
- https://support.apple.com/kb/HT209344
- https://support.apple.com/kb/HT209345
- https://support.apple.com/kb/HT209346
- https://support.apple.com/kb/HT209340
- https://support.apple.com/kb/HT209342
- https://support.apple.com/kb/HT209343
- https://support.apple.com/kb/HT209344
- https://support.apple.com/kb/HT209345
- https://support.apple.com/kb/HT209346
Raw JSON (NVD)
Show
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