Vulnerability Intelligence Report
Apple iOS Webkit Memory Corruption Vulnerability
CVE-2016-4657
WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:66.79%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| apple | iphone_os | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2016-05-11T00:00:00 |
| Published | 2016-08-25T21:00:00 |
| Patch Date | 2016-08-25 |
| Last Updated | 2025-10-21T23:55:50 |
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