CVE-2025-6554
HIGH CISA KEVCVSS v3
8.1
HIGH
EPSS Score
1.6%
exploit probability
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
- 7/2/2025
- Patch Due Date
- 7/23/2025
- 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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 6/30/2025
- Last Modified
- 10/24/2025
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 7/23/2025.
What is the CVSS score for CVE-2025-6554?
CVE-2025-6554 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string 3.1.
Is CVE-2025-6554 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.