CVE-2024-7971

CRITICAL KEV

Google Chrome < 128.0.6613.84 - Type Confusion in V8 via Crafted HTML Page

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2024-7971 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added August 26, 2024. EIP tracks 1 public exploit from researchers including mistymntncop.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2024-7971, targeting a vulnerability in V8's WebAssembly implementation. The PoC demonstrates a type confusion issue in Liftoff, V8's baseline WebAssembly compiler, by manipulating operand stack states during loop compilation.

Description

Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Exploits (1)

nomisec WORKING POC 34 stars
by mistymntncop · client-side
https://github.com/mistymntncop/CVE-2024-7971

This repository contains a proof-of-concept exploit for CVE-2024-7971, targeting a vulnerability in V8's WebAssembly implementation. The PoC demonstrates a type confusion issue in Liftoff, V8's baseline WebAssembly compiler, by manipulating operand stack states during loop compilation.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: V8 (Chromium) with WebAssembly support, specifically versions affected by CVE-2024-7971
No auth needed
Prerequisites: Access to a vulnerable version of V8/Chromium · Ability to execute JavaScript with specific flags (e.g., --expose-gc, --liftoff-only)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 9.6
EPSS 0.1927
EPSS Percentile 97.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2024-08-26
VulnCheck KEV 2024-08-21
InTheWild.io 2024-08-21
ENISA EUVD EUVD-2024-48804
CWE
CWE-843
Status published
Products (2)
google/chrome < 128.0.6613.84
microsoft/edge < 128.0.2739.42
Published Aug 21, 2024
KEV Added Aug 26, 2024
Tracked Since Feb 18, 2026