CVE-2023-3422Network attack vector

Heap corruption via Guest View use-after-free

Published Jun 26, 2023 · Updated Feb 13, 2025

Use-after-free in Google Chrome Guest View before 114.0.5735.198 allows remote attackers to corrupt heap memory through crafted HTML. Guest View accesses an object after its memory has been freed while processing the page, but Google has not disclosed the affected function or object lifecycle. Exploitation requires convincing a user to install a malicious extension and open attacker-controlled content; successful exploitation corrupts heap memory, while further impact is undisclosed.

CVSS severity8.8
High
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Google Chrome Guest View before 114.0.5735.198 allows remote attackers to corrupt heap memory through crafted HTML. Guest View accesses an object after its memory has been freed while processing the page, but Google has not disclosed the affected function or object lifecycle. Exploitation requires convincing a user to install a malicious extension and open attacker-controlled content; successful exploitation corrupts heap memory, while further impact is undisclosed.

The record

CVE
CVE-2023-3422
Published
Jun 26, 2023
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-416
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 26, 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=114.0.5735.198 <114.0.5735.198

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=114.0.5735.198 <114.0.5735.198

Published CVSS scores

8.8NIST NVDCVSS: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-416Use After Free

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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