July 2, 2025 · Applied Cybernetics Group
CVE-2025-6554 — Google Chromium V8
Google Chromium V8 Type Confusion Vulnerability
- Added to KEV
2025-07-02- Federal due date
2025-07-23- Vendor
- Product
- Chromium V8
- EPSS
- 93.0th percentile (score 0.066, as of
2026-07-13) - NVD CVSS v3.1
- 8.1 (HIGH)
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1189 , T1203 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-6554
CISA short description
Google Chromium V8 contains a type confusion vulnerability that could allow a remote attacker to perform arbitrary read/write via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
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.
NVD 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)