CVE-2024-7971Known exploitationNetwork attack vector

Sandboxed code execution via V8 type confusion

Published Aug 21, 2024 · Updated Oct 21, 2025

Type confusion in V8 in Google Cloud Google Chrome before 128.0.6613.84 allows remote attackers to execute code via a crafted HTML page. Google has not disclosed the incompatible object types or V8 operation that misinterprets them; the mismatch corrupts heap memory. A target must load attacker-controlled content, and resulting code execution is confined to the Chromium renderer sandbox unless paired with a sandbox escape.

CVSS severity9.6
Critical
EPSS probability20.71%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Type confusion in V8 in Google Cloud Google Chrome before 128.0.6613.84 allows remote attackers to execute code via a crafted HTML page. Google has not disclosed the incompatible object types or V8 operation that misinterprets them; the mismatch corrupts heap memory. A target must load attacker-controlled content, and resulting code execution is confined to the Chromium renderer sandbox unless paired with a sandbox escape.

The record

CVE
CVE-2024-7971
Published
Aug 21, 2024
Updated
Oct 21, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-843, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 19, 2024Exploitation reportedCitrine Sleet Chromium exploitation campaign
  2. Aug 21, 2024CVE publishedPublication date reported by the CVE source.
  3. Aug 26, 2024Exploitation reportedCISA Known Exploited Vulnerabilities catalog entry
  4. Oct 21, 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 <128.0.6613.84
  2. Affected versionversion=128.0.6613.84 <128.0.6613.84

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=0 <128.0.6613.84; version=128.0.6613.84 <128.0.6613.84

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.6NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 exploitationReported
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.

Reported exploitation

Technologies

Your stack

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Your stack

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