Is CVE-2022-42856 actively exploited?

Yes. CVE-2022-42856 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-42856 be exploited remotely?

The attack vector of CVE-2022-42856 has not been classified yet.

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

CVE-2022-42856 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-42856

HIGHCISA KEVIN THE WILD

CVE-2022-42856

Published: December 14, 2022

EPSS:0.19%probability of exploitation in 30 daysPercentile:40.4th

Official Description

Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.

NVD Source

CISA KEV Advisory

Apple iOS Type Confusion Vulnerability

Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.

Added to KEV: 2022-12-14Federal patch deadline: 2023-01-04

Required Action (CISA)

Apply updates per vendor instructions.

Technical Analysis

CVE-2022-42856 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-42856 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.