CVE-2018-4162
It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 37.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 37.84% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/watchos · apple/icloud · apple/itunes · canonical/ubuntu linux · webkitgtk/webkitgtk\+
- Source
- product-security@apple.com
EPSS moved from 42.6% on 21 September 2026 to 37.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://packetstormsecurity.com/files/158874/Safari-Webkit-For-iOS-7.1.2-JIT-Optimization-Bug.html
- http://www.securitytracker.com/id/1040604Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208693Vendor Advisory
- https://support.apple.com/HT208694Vendor Advisory
- https://support.apple.com/HT208695Vendor Advisory
- https://support.apple.com/HT208696Vendor Advisory
- https://support.apple.com/HT208697Vendor Advisory
- https://support.apple.com/HT208698Vendor Advisory
- https://usn.ubuntu.com/3635-1/Third Party Advisory
- http://packetstormsecurity.com/files/158874/Safari-Webkit-For-iOS-7.1.2-JIT-Optimization-Bug.html
- http://www.securitytracker.com/id/1040604Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208693Vendor Advisory
- https://support.apple.com/HT208694Vendor Advisory
- https://support.apple.com/HT208695Vendor Advisory
- https://support.apple.com/HT208696Vendor Advisory
- https://support.apple.com/HT208697Vendor Advisory
- https://support.apple.com/HT208698Vendor Advisory
- https://usn.ubuntu.com/3635-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.