Vulnerability details

CVE-2025-6554

Actively exploited

Google Chrome

CVSS 3.1

8.1High

Remedy

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. (due: 2025-07-23)

Versions not listed as affected in the CVE record:

Chrome — version 138.0.7204.96 and later

Official 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)

CVSS scores

Score	Version	Source	Vector
8.1High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
Google	Chrome	138.0.7204.96 ≤ v < 138.0.7204.96	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2025-07-01
Last updated: 2025-10-22
State: Published
Assigner (CNA): Chrome
Kolun priority: 86 · Critical

CISA KEV catalog

Date added: 2025-07-02
Due date: 2025-07-23
Used in ransomware: Unknown

Exploit prediction (EPSS)

14.14%

Probability of exploitation in 30 days

96.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Active
Technical impact: Total

Weaknesses (CWE)

CWE-843
Type Confusion