CVE-2023-4068Network attack vector

Arbitrary memory read and write via type confusion

Published Aug 3, 2023 · Updated Feb 13, 2025

Type confusion in V8 in Google Chrome before 115.0.5790.170 allows remote attackers to read and write memory via crafted HTML. The flaw is in the V8 engine, but the restricted issue record leaves the affected code path and erroneous type transition undisclosed. Exploitation requires a user to open attacker-controlled HTML; the published impact is arbitrary memory read and write, with no availability impact.

CVSS severity8.1
High
EPSS probability16.01%
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 115.0.5790.170 allows remote attackers to read and write memory via crafted HTML. The flaw is in the V8 engine, but the restricted issue record leaves the affected code path and erroneous type transition undisclosed. Exploitation requires a user to open attacker-controlled HTML; the published impact is arbitrary memory read and write, with no availability impact.

The record

CVE
CVE-2023-4068
Published
Aug 3, 2023
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-843, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 3, 2023CVE 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=115.0.5790.170 <115.0.5790.170

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=115.0.5790.170 <115.0.5790.170

Published CVSS scores

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

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
T1203Exploitation for Client Execution

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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