HIGH CISA KEV

CVE-2025-6554

CVSS v3

8.1

HIGH

EPSS Score

14.1 %

exploit probability, as of 2026-10-04

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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)

CISA Known Exploited Vulnerability

Date Added: 2025-07-02
Patch Due Date: 2025-07-23
Ransomware Use: Unknown

Technical details

Published: 2025-06-30
Last Modified: 2025-10-24

Frequently asked questions

What is CVE-2025-6554?

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)

Is CVE-2025-6554 actively exploited?

Yes. CVE-2025-6554 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-07-23.

What is the CVSS score for CVE-2025-6554?

CVE-2025-6554 has a CVSS v3 base score of 8.1 (HIGH severity).

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