CVE DATABASE / CVE-2025-6554
CVE-2025-6554
Google Chromium V8 Type Confusion Vulnerability
CVSS 8.1 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2025-07-02.
Federal remediation due 2025-07-23.
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.
Summary
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)
CVSS 3.1 breakdown
| Base score | 8.1 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | NONE |
Weakness type (CWE)
Affected products
Google chromeMicrosoft windowsApple macosLinux linux kernel
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html
- https://issues.chromium.org/issues/427663123
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-24. Always verify against the vendor advisory before acting.