Is CVE-2022-42856 actively exploited?

CVE-2022-42856 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2022-42856?

CVE-2022-42856 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-42856?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-42856.

Fix CVE-2022-42856 - HIGH apple safari

Q: Which products are affected by CVE-2022-42856?

6 products: apple safari, apple ipados, apple iphone os, apple iphone os, apple macos, and 1 more.

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..

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-843 CWE-843

Metadata

Primary Vendor: APPLE
Published: 12/15/2022
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : safariapple : ipadosapple : iphone_osapple : iphone_osapple : macosapple : tvos

Remediation Guidance

Executive Summary

View on NIST NVD