CVE-2016-4763

medium
Published 2016-09-25 ยท 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 v4 NEW
โ€”
not yet in upstream
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
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

macos macOS Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”

Application impact

VendorProductVersionsFixed
macos appleitunes{"endIncluding":"12.4.3"}
macos applesafari{"endIncluding":"9.1.3"}

References

CWEs

CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

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