CVE-2016-4657
Apple iOS Webkit Memory Corruption Vulnerability
- Published
- Aug 25, 2016
- Updated
- Oct 21, 2025
- Assigning CNA
- apple
- Evidence observed
- Mar 12, 2017
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
5- CVE-2016-4657-NintendoSwitchExploit
CVE-2016-4657 for NintendoSwitch rwx
- SwitcherooPoC
Exploiting CVE-2016-4657 to JailBreak the Nintendo Switch
- webkit-vulnerabilityExploit
CVE-2016-4657 web-kit vulnerability for ios 9.3, nintendo switch browser vulnerability
Responsible use
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