CVE-2022-4262 Google Chromium V8 Type Confusion

Exploited in the wild High 8.8 Published 2 Dec 2022 Updated 21 Oct 2025

A type confusion vulnerability in Chrome's V8 engine allows remote attackers to execute arbitrary code via a crafted HTML page.

Exploited in the wild: Since 5 Dec 2022
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-4262?

CVE-2022-4262 is a high-severity memory corruption vulnerability in Google Chrome, published on 2 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-843

Which versions are affected by CVE-2022-4262?

It affects 1 product.

Linux distribution packages (5)

`chromium` SUSE:Package Hub 15 SP3	All versions	`108.0.5359.94-bp154.2.52.1`
`chromium` SUSE:Package Hub 15 SP4	All versions	`108.0.5359.94-bp154.2.52.1`
`chromium` openSUSE:Leap 15.3	All versions	`108.0.5359.94-bp154.2.52.1`
`chromium` openSUSE:Leap 15.4	All versions	`108.0.5359.94-bp154.2.52.1`
`chromium` openSUSE:Tumbleweed	All versions	`108.0.5359.94-1.1`

Products include Google Chrome.

How do I fix CVE-2022-4262?

Upgrade to a fixed version. US federal agencies must fix it by 26 Dec 2022.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-4262 being exploited?

Yes. Attackers have exploited CVE-2022-4262 in the wild since at least 5 Dec 2022.

Public exploit code: 3 proofs of concept on GitHub.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-4262, DSA-5295-1, GHSA-hq2w-83f9-f353, UBUNTU-CVE-2022-4262, openSUSE-SU-2022:10236-1, openSUSE-SU-2024:12547-1.