CVE-2026-5904

Rejected as a non-security bug

Published Apr 8, 2026 · Updated Apr 8, 2026

Google Chrome's CNA rejected CVE-2026-5904 after determining that the reported V8 use-after-free was a bug rather than a vulnerability. The earlier record described crafted extension code reaching freed V8 memory after a user installed a malicious extension, but the CNA later withdrew that security finding. No confirmed vulnerability, affected-version relationship, or exploitable security impact remains associated with this identifier.

CVSS severityUnavailable
Unscored
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Google Chrome's CNA rejected CVE-2026-5904 after determining that the reported V8 use-after-free was a bug rather than a vulnerability. The earlier record described crafted extension code reaching freed V8 memory after a user installed a malicious extension, but the CNA later withdrew that security finding. No confirmed vulnerability, affected-version relationship, or exploitable security impact remains associated with this identifier.

The record

CVE
CVE-2026-5904
Published
Apr 8, 2026
Updated
Apr 8, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
Unavailable
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record 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=147.0.7727.55 <147.0.7727.55

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Go standard library · Google Chromeversion=147.0.7727.55 <147.0.7727.55

Published CVSS scores

No CVSS assessment is available in this record.

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)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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