CVE-2024-6778Network attack vector

Privileged-page script injection via DevTools race

Published Jul 16, 2024 · Updated Aug 1, 2024

Race condition in Google Chrome before 126.0.6478.182 allows remote attackers to inject script or HTML into a privileged page. Google identifies the locus only as DevTools and has not disclosed the shared state or unsynchronized operation that creates the race. Exploitation requires persuading a user to install a crafted malicious extension, after which injected content executes in the privileged page.

CVSS severity7.5
High
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in Google Chrome before 126.0.6478.182 allows remote attackers to inject script or HTML into a privileged page. Google identifies the locus only as DevTools and has not disclosed the shared state or unsynchronized operation that creates the race. Exploitation requires persuading a user to install a crafted malicious extension, after which injected content executes in the privileged page.

The record

CVE
CVE-2024-6778
Published
Jul 16, 2024
Updated
Aug 1, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-366, CWE-362, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record 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 <126.0.6478.182
  2. Affected versionversion=126.0.6478.182 <126.0.6478.182

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=0 <126.0.6478.182; version=126.0.6478.182 <126.0.6478.182

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:H/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-366Race Condition within a Thread
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1204.002Malicious File

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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