A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..
Published 2022-12-15 19:15:25
Updated 2023-05-30 06:15:30
Source Apple Inc.
View at NVD,   CVE.org

CVE-2022-42856 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Apple iOS Type Confusion Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.
Notes:
https://support.apple.com/en-us/HT213516
Added on 2022-12-14 Action due date 2023-01-04

Exploit prediction scoring system (EPSS) score for CVE-2022-42856

0.28%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-42856

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2022-42856

References for CVE-2022-42856

Products affected by CVE-2022-42856

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