CVE-2022-42856KEV · OVERDUE

Apple iOS Type Confusion Vulnerability

High · published December 15, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 95.0th percentile for exploit probability.

1388
days past CISA
deadline
CVSS v3.1
8.8
EPSS
9%
Percentile
95.0
In the wild
Confirmed
What it is

🚨 A crafty type confusion vulnerability could lead to arbitrary code execution, putting many Apple users at risk! ⚡ Think of this as a waiter who gets your meal order mixed up—if they don’t handle the information correctly, they might serve you a dish you didn’t order, potentially laced with something harmful. In this case, the malicious web content is the surprise ingredient. An attacker could exploit this issue to execute arbitrary code on affected devices, taking control of your iPhone, iPad, or Mac like a magician pulling a rabbit from a hat. This could lead to data theft, unauthorized access, and a host of other issues that could ruin your day!

Put simply

Think of this as a waiter who gets your meal order mixed up—if they don’t handle the information correctly, they might serve you a dish you didn’t order, potentially laced with something harmful. In this case, the malicious web content is the surprise ingredient. This type confusion flaw in Apple products allows attackers to manipulate memory handling, potentially leading to execution of malicious code when affected web content is loaded.

What to do

An attacker could exploit this issue to execute arbitrary code on affected devices, taking control of your iPhone, iPad, or Mac like a magician pulling a rabbit from a hat. This could lead to data theft, unauthorized access, and a host of other issues that could ruin your day! Update your devices promptly to the latest versions: Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2, iPadOS 15.7.2, or iOS 16.1.2. Ensure that all security updates are applied immediately to mitigate any risks associated with this vulnerability. 🛡️ You've got this! Stay proactive and your devices will be safe and sound! 🔒

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08523 · 95.0th percentile
Published
2022-12-15T00:00Z
KEV added
2022-12-14 · due 2023-01-04
EPSS history
Timeline
  • 15 DEC 00:00Z
    A type confusion issue was addressed with improved state handling
    cvelistv5
  • 14 DEC 00:00Z
    Added to CISA KEV — remediate by Jan 4
    kev