Google Chromium V8 Type Confusion Vulnerability
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)
What happened
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 lists it as exploited, added 02 Jul 2025.
Does it affect you
Names Google Chrome. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
chromereleases.googleblog.com - Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- chrome
- Google Chrome: everything below 138.0.7204.96
The record
- NVD status
- Analyzed
- Published
- 30 Jun 2025, last modified 17 Jun 2026 (NVD)
- Severity
- CVSS 3.1 base score 8.1, High — computed here from the vector; NVD states 8.1.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Weakness
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 02 Jul 2025; federal remediation due 23 Jul 2025. CISA entry
- Exploit probability
- EPSS 14.1%, 97th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Google · Chromium V8 (CISA)
References on the NVD record
- chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.htmlVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554US Government Resource
- issues.chromium.org/issues/427663123Permissions Required
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.