high Known exploitedREV. 01

CVE-2025-5419Chrome V8 — out-of-bounds access to heap corruption (137.x)

Google Chrome before 137.0.7151.68 reads and writes past the end of a buffer in its JavaScript engine, which a crafted page turns into heap corruption inside the browser.

YOUR NEXT MOVE

Update Chrome and other Chromium browsers to 137.0.7151.68 or later now, and restart them so the update actually takes effect.

Read the risk

THE VITAL STATS
CVSS score
8.8/ 10
CVSS v3.1
EPSS probability
8%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2025-06-03
Added to KEV
2025-06-05
Exploit published
Not recorded
Confidence
high
Kill chain
execution
MITRE ATT&CK
T1203
Severity
high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attacker needsThe user must open an attacker-controlled web page in a vulnerable Chromium browser.

Fixed inGoogle Chrome 137.0.7151.68

Behind the card

3 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2025-5419 · CRDS 0.1 · Issued 2026-09-24