{"cve":"CVE-2016-4763","nvd":{"published":"2016-09-25T10:59:57.160","modified":"2026-06-17T00:48:10.420","status":"Modified","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","score":6.8},"cwes":["CWE-310"],"references":["http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html","http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html","http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html","http://www.securityfocus.com/bid/93066","http://www.securitytracker.com/id/1036854"],"products":["apple:iphone_os","apple:itunes","apple:safari"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-4763","score":0.01197,"percentile":0.68117,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}