CVE-2016-4657 KEV EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 66.8% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-06-14.
Description
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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 66.79% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-06-14 |
| Public exploit | yes |
| Published | 2016-08-25 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Apple iOS Webkit Memory Corruption Vulnerability |
|---|---|
| Added | 2022-05-24 |
| Due | 2022-06-14 |
| Vendor / product | Apple / iOS |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| apple | iphone os |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WebKit - not_number defineProperties UAF (Metasploit) | 2018-06-05 |
| exploit-db | Nintendo Switch - WebKit Code Execution (PoC) | 2017-03-12 |
References
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
- http://www.securityfocus.com/bid/92653
- http://www.securitytracker.com/id/1036694
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
- https://support.apple.com/HT207107
- https://www.exploit-db.com/exploits/44836/
- https://www.youtube.com/watch?v=xkdPjbaLngE
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
- http://www.securityfocus.com/bid/92653
- http://www.securitytracker.com/id/1036694
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
- https://support.apple.com/HT207107
- https://www.exploit-db.com/exploits/44836/
- https://www.youtube.com/watch?v=xkdPjbaLngE
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4657
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