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HIGH SEVERITY
CVE-2016-4657 Apple · iOS

Apple iOS Webkit Memory Corruption Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
8.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

78.36 %
Predictive Probability
Percentile Rank
99.0 th

Documented as more likely to be exploited than 99.0% of known CVEs.

Detection Date

May 24, 2022

Remediation Due

Jun 14, 2022

CISA Catalog Active

Threat Analysis

Apple iOS WebKit contains a memory corruption vulnerability that allows attackers to execute remote code or cause a denial-of-service (DoS) via a crafted web site. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence