CVE-2016-4622
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-4589,…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 20.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-4589, CVE-2016-4623, and CVE-2016-4624.
- 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
- 20.37% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apple/safari · apple/iphone os · apple/tvos
- Source
- product-security@apple.com
EPSS moved from 25.5% on 21 September 2026 to 20.4% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/539295/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/91830Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036343Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-485Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-486Third Party Advisory, VDB Entry
- https://support.apple.com/HT206900Vendor Advisory
- https://support.apple.com/HT206902Vendor Advisory
- https://support.apple.com/HT206905Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/539295/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/91830Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036343Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-485Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-486Third Party Advisory, VDB Entry
- https://support.apple.com/HT206900Vendor Advisory
- https://support.apple.com/HT206902Vendor Advisory
- https://support.apple.com/HT206905Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.