CVE-2023-2033

HIGH KEV

Google Chrome < 112.0.5615.121 - Remote Code Execution via V8 Type Confusion

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-2033 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added April 17, 2023. EIP tracks 6 public exploits from researchers including mistymntncop, sandumjacob, insoxin.

AI-analyzed exploit summary This is a working exploit PoC for CVE-2023-2033, targeting a type confusion vulnerability in V8's TurboFan JIT compiler. It leverages 'The Hole' object to achieve memory corruption and arbitrary read/write primitives.

Description

Type confusion in V8 in Google Chrome prior to 112.0.5615.121 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Exploits (6)

nomisec WORKING POC 66 stars
by mistymntncop · client-side
https://github.com/mistymntncop/CVE-2023-2033

This is a working exploit PoC for CVE-2023-2033, targeting a type confusion vulnerability in V8's TurboFan JIT compiler. It leverages 'The Hole' object to achieve memory corruption and arbitrary read/write primitives.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Chromium V8 (specific commit f7a3499f6d7e50b227a17d2bbd96e4b59a261d3c)
No auth needed
Prerequisites: V8 engine built from specific commit · d8 shell with --allow-natives-syntax flag
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 19 stars
by sandumjacob · poc
https://github.com/sandumjacob/CVE-2023-2033-Analysis

This repository contains a working proof-of-concept for CVE-2023-2033, a vulnerability in V8's stack trace handling. The PoC includes test cases to demonstrate the behavior of stack traces with proxies and error objects, highlighting the vulnerability's impact.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: V8 JavaScript Engine (Chromium)
No auth needed
Prerequisites: Access to a vulnerable version of V8/JavaScript engine
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec STUB 4 stars
by insoxin · poc
https://github.com/insoxin/CVE-2023-2033

The repository contains only a README.md file with minimal information, lacking any exploit code or technical details for CVE-2023-2033.

Classification
Stub 10%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec STUB
by tianstcht · poc
https://github.com/tianstcht/CVE-2023-2033

The repository contains only a README.md file with a placeholder message 'coming soon' and no actual exploit code or technical details. No functional PoC or exploit is present.

Classification
Stub 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
vulncheck_xdb WORKING POC
client-side
https://github.com/rycbar77/V8Exploits

The repository contains functional exploit code for CVE-2023-2033, demonstrating a V8 engine vulnerability. The PoC leverages memory corruption techniques (e.g., arbitrary read/write primitives) to achieve remote code execution (RCE) in a Chrome/Chromium environment.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Google Chrome/Chromium (V8 engine)
No auth needed
Prerequisites: Vulnerable version of Chrome/Chromium with V8 engine · Ability to execute arbitrary JavaScript in the target environment
devstral-2 · analyzed Feb 25, 2026 Full analysis →

Scores

CVSS v3 8.8
EPSS 0.4067
EPSS Percentile 98.5%
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 2023-04-17
VulnCheck KEV 2023-04-11
InTheWild.io 2023-04-11
ENISA EUVD EUVD-2023-33560
CWE
CWE-843
Status published
Products (7)
couchbase/couchbase_server 7.2.0
couchbase/couchbase_server < 7.1.5
debian/debian_linux 11.0
fedoraproject/fedora 36
fedoraproject/fedora 37
fedoraproject/fedora 38
google/chrome < 112.0.5615.121
Published Apr 14, 2023
KEV Added Apr 17, 2023
Tracked Since Feb 18, 2026