CVE-2025-5419Known exploitationNetwork attack vector

Code execution via V8 out-of-bounds access

Published Jun 2, 2025 · Updated Feb 26, 2026

Out-of-bounds access in V8 in Google Chrome before 137.0.7151.68 allows remote attackers to corrupt heap memory through crafted HTML. V8 reads and writes beyond an intended buffer while processing attacker-controlled page content; Google has not disclosed the faulty function. A user must load the page, after which memory corruption allows code execution in the browser process or a browser crash.

CVSS severity8.8
High
EPSS probability7.82%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds access in V8 in Google Chrome before 137.0.7151.68 allows remote attackers to corrupt heap memory through crafted HTML. V8 reads and writes beyond an intended buffer while processing attacker-controlled page content; Google has not disclosed the faulty function. A user must load the page, after which memory corruption allows code execution in the browser process or a browser crash.

The record

CVE
CVE-2025-5419
Published
Jun 2, 2025
Updated
Feb 26, 2026
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-125, CWE-787, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 2, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 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=137.0.7151.68 <137.0.7151.68

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=137.0.7151.68 <137.0.7151.68

Published CVSS scores

8.8National Vulnerability DatabaseCVSS: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 exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
CWE-787Out-of-bounds Write
T1189Drive-by Compromise

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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