CVE-2024-5158Network attack vector

Arbitrary read and write via V8 type confusion

Published May 22, 2024 · Updated Feb 13, 2025

Type confusion in V8 in Google Chrome before 125.0.6422.76 allows remote attackers to perform arbitrary reads and writes via crafted HTML. Google has not published the affected V8 routine or the incompatible type transition that causes the memory access. Exploitation requires a user to open the crafted page; public sources do not establish code execution or a sandbox escape.

CVSS severity8.1
High
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Type confusion in V8 in Google Chrome before 125.0.6422.76 allows remote attackers to perform arbitrary reads and writes via crafted HTML. Google has not published the affected V8 routine or the incompatible type transition that causes the memory access. Exploitation requires a user to open the crafted page; public sources do not establish code execution or a sandbox escape.

The record

CVE
CVE-2024-5158
Published
May 22, 2024
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-843
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <125.0.6422.76
  2. Affected versionversion=125.0.6422.76 <125.0.6422.76

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=0 <125.0.6422.76; version=125.0.6422.76 <125.0.6422.76

Published CVSS scores

8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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