Vulnerability in Google Chrome

CVE-2025-4664

Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

EPSS: 0.053 (91.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-4664?
CVE-2025-4664 is a medium-severity vulnerability in Google Chrome. CVSS score: 4.3/10. Published 2025-05-14.
How severe is CVE-2025-4664?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-4664 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.