VIR Vulnerability Intelligence Relay

CVE-2016-4763

medium
Published 2016-09-25 · Modified 2026-05-06
CVSS v3
6.8
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v2
4.9
VIR risk
6.8

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.

Predictions

Exploit likelihood
77%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT207158

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT207157

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT207143

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html

OS impact
OSVersionStatusFixed in
macos macosaffected

Application impact
VendorProductVersionsFixed
appleitunes{"endIncluding":"12.4.3"}
applesafari{"endIncluding":"9.1.3"}

References

CWEs

CWE-310

Verify integrity in audit chain (admin only). AS-IS.