CVE-2023-4762KEV · OVERDUE

Google Chromium V8 Type Confusion Vulnerability

High · published September 5, 2023

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 98.7th percentile for exploit probability.

970
days past CISA
deadline
CVSS v3.1
8.8
EPSS
41%
Percentile
98.7
In the wild
Confirmed
What it is

🚨 A crafty HTML page is the secret key to chaos! This Type Confusion vulnerability in Google Chrome can let attackers execute arbitrary code with just a click. ⚡ Think of it like a restaurant where the chef blindly follows any recipe without checking the ingredients — one wrong input can spoil the entire dish! With this vulnerability, a remote attacker can create a specially crafted HTML page that, when visited, could lead to full control of your device. This means they could potentially steal sensitive information, install malicious software, or even hijack sessions — a nightmare scenario!

Put simply

Think of it like a restaurant where the chef blindly follows any recipe without checking the ingredients — one wrong input can spoil the entire dish! The Type Confusion flaw in V8 allows an attacker to manipulate the type of an object in memory, leading to arbitrary code execution when the browser processes the crafted HTML. This is particularly dangerous as it bypasses usual security checks.

What to do

With this vulnerability, a remote attacker can create a specially crafted HTML page that, when visited, could lead to full control of your device. This means they could potentially steal sensitive information, install malicious software, or even hijack sessions — a nightmare scenario! Update your Google Chrome browser to version 116.0.5845.179 or later immediately to patch this vulnerability. Regularly check for updates and ensure that automatic updates are enabled to keep all your software secure. You've got this! Stay vigilant and updated, and you'll keep the internet a safer place! 🛡️

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
0.41375 · 98.7th percentile
Published
2023-09-05T21:57Z
KEV added
2024-02-06 · due 2024-02-27
EPSS history
Timeline
  • 06 FEB 00:00Z
    Added to CISA KEV — remediate by Feb 27
    kev
  • 05 SEP 21:57Z
    Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page
    cvelistv5