CVE-2025-6554

HighActively exploited (CISA KEV)

Description

Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

SeverityHigh
CVSS8.1
Exploit probability—
ProductGoogle Chromium V8
PublishedJun 30, 2025
First seenJun 30, 2025
Added to KEVJul 2, 2025
Weakness typeCWE-843CWE-843

How to fix

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date: Jul 23, 2025
Update
  • google chrome138.0.7204.96, 138.0.7204.92 or later

Affected products

ProductAffected versionsFixed in
google chromev < 138.0.7204.96, v < 138.0.7204.92138.0.7204.96, 138.0.7204.92

Check your version

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CVE-2025-6554 · Google Chromium V8 · Dark Radar