CVE-2023-4762

HIGH KEV

Google Chrome < 116.0.5845.179 - Remote Code Execution via V8 Type Confusion

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-4762 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added February 6, 2024. EIP tracks 3 public exploits from researchers including buptsb, sherlocksecurity.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2023-4762, a V8 JavaScript engine vulnerability involving incorrect handling of JSArguments objects with polymorphic inline caches (ICs). The exploit demonstrates a hole leak bug by manipulating store modes and feedback vectors in TurboFan optimizations.

Description

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. (Chromium security severity: High)

Exploits (3)

nomisec WORKING POC 25 stars
by buptsb · poc
https://github.com/buptsb/CVE-2023-4762

This repository contains a functional proof-of-concept exploit for CVE-2023-4762, a V8 JavaScript engine vulnerability involving incorrect handling of JSArguments objects with polymorphic inline caches (ICs). The exploit demonstrates a hole leak bug by manipulating store modes and feedback vectors in TurboFan optimizations.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Google V8 JavaScript Engine (Chromium-based browsers)
No auth needed
Prerequisites: V8 engine with specific build configuration · TurboFan optimization enabled
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by sherlocksecurity · client-side
https://github.com/sherlocksecurity/CVE-2023-4762-Code-Review

This repository contains a functional proof-of-concept exploit for CVE-2023-4762, a V8 JavaScript engine vulnerability involving incorrect handling of JSArguments and polymorphic inline caching. The PoC demonstrates a hole leak bug by manipulating store modes and feedback vectors in TurboFan.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Google Chrome V8 (prior to fix in commit fcac1bdaf2ad5995647b4e7a173df2674aea07d8)
No auth needed
Prerequisites: V8 JavaScript engine with the vulnerability present · Ability to execute arbitrary JavaScript in the target environment
devstral-2 · analyzed Feb 18, 2026 Full analysis →
inthewild WORKING POC
poc
https://github.com/zckevin/cve-2023-4762

This repository contains a functional proof-of-concept exploit for CVE-2023-4762, a V8 JavaScript engine vulnerability involving incorrect handling of JSArguments objects with polymorphic inline caches (ICs). The exploit demonstrates a hole leak bug by manipulating store modes during TurboFan optimization.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Google V8 (Chromium) fcac1bdaf2ad5995647b4e7a173df2674aea07d8
No auth needed
Prerequisites: V8 engine built with specific commit · TurboFan optimization enabled · Polymorphic IC setup
devstral-2 · analyzed Feb 23, 2026 Full analysis →

References (11)

Core 11
Core References
Permissions Required
https://crbug.com/1473247
Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5491

Scores

CVSS v3 8.8
EPSS 0.5580
EPSS Percentile 98.1%
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 2024-02-06
VulnCheck KEV 2023-08-16
InTheWild.io 2023-08-16
ENISA EUVD EUVD-2023-54609
CWE
CWE-843
Status published
Products (7)
debian/debian_linux 11.0
debian/debian_linux 12.0
fedoraproject/fedora 37
fedoraproject/fedora 38
fedoraproject/fedora 39
google/chrome < 116.0.5845.179
microsoft/edge_chromium < 116.0.1938.76
Published Sep 05, 2023
KEV Added Feb 06, 2024
Tracked Since Feb 18, 2026