$ cve CVE-2022-42856 JSON

CVE-2022-42856 KEV

8.8

HIGH · CVSS 3.1 · EPSS 8.5% (pctl 95)

Patch first

On CISA KEV — known exploited in the wild, due 2023-01-04.

Description

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..

Scoring

CVSS	8.8 (HIGH, v3.1)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS	8.52% — more likely to be exploited than 95% of all CVEs
Weakness	CWE-843
On CISA KEV	yes — remediate by 2023-01-04
Public exploit	none known
Published	2022-12-15
Last modified	2026-06-17

CISA KEV

Name	Apple iOS Type Confusion Vulnerability
Added	2022-12-14
Due	2023-01-04
Vendor / product	Apple / iOS
Ransomware use	none reported

Affected (5)

Vendor	Product
apple	ipados
apple	iphone os
apple	macos
apple	safari
apple	tvos

References

→ the Explorer · watch your stack · NVD