CVE-2022-4262

HIGH KEV

Google Chrome < 108.0.5359.94 - Type Confusion in V8 via Crafted HTML Page

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2022-4262 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added December 5, 2022. EIP tracks 3 public exploits from researchers including bjrjk, mistymntncop, quangnh89.

AI-analyzed exploit summary This repository contains a writeup and analysis of CVE-2022-4262, including root cause, PoC, exploit details, and slides. No actual exploit code is present in the provided files.

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)

Exploits (3)

nomisec WRITEUP 106 stars
by bjrjk · client-side
https://github.com/bjrjk/CVE-2022-4262

This repository contains a writeup and analysis of CVE-2022-4262, including root cause, PoC, exploit details, and slides. No actual exploit code is present in the provided files.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 58 stars
by mistymntncop · client-side
https://github.com/mistymntncop/CVE-2022-4262

This is a working proof-of-concept exploit for CVE-2022-4262, a type confusion vulnerability in Chromium's V8 JavaScript engine. The exploit leverages memory corruption via the SetNamedProperty instruction to achieve arbitrary read/write primitives.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Chromium V8 JavaScript engine (version up to 10.9.194.4)
No auth needed
Prerequisites: Vulnerable version of Chromium/V8 · Ability to execute JavaScript in the target environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP
by quangnh89 · client-side
https://github.com/quangnh89/CVE-2022-4262

This repository contains a README file describing a full analysis of CVE-2022-4262, including root cause, PoC, and exploit details. However, no actual exploit code or technical details are provided in the snippet.

Classification
Writeup 90%
Attack Type
Other
Complexity
Unknown
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 8.8
EPSS 0.0856
EPSS Percentile 92.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2022-12-05
VulnCheck KEV 2022-11-29
InTheWild.io 2022-11-29
ENISA EUVD EUVD-2022-51618
CWE
CWE-843
Status published
Products (1)
google/chrome < 108.0.5359.94
Published Dec 02, 2022
KEV Added Dec 05, 2022
Tracked Since Feb 18, 2026