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CVE-2025-6554: Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 · in CISA KEV since 2025-07-02
2025-07-02added to KEV
2025-07-23federal remediation due date
12.56%EPSS exploit probability (30 days) 96.1th percentile
8.1 HIGHCVSS 3.1
Unknownknown ransomware use
2days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-843 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| NVD published | 2025-06-30 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-6554.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.