CVE-2025-4664: Google Chromium Loader Insufficient Policy Enforcement Vulnerability
Chromium: CVE-2025-4664 Insufficient policy enforcement in Loader
Other sources
Google Chromium contains an insufficient policy enforcement vulnerability that allows a remote attacker to leak cross-origin data via a crafted HTML page.
— CISA
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)
— NVD
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information. Google is aware of reports that an exploit for CVE-2025-4664 exists in the wild.
— Microsoft
Affected Software
Remediation
Information
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-4664?
The severity of CVE-2025-4664 is classified as High by Chromium security standards.
How do I fix CVE-2025-4664?
To fix CVE-2025-4664, update Google Chrome to version 136.0.7103.113 or later.
What type of vulnerability is CVE-2025-4664?
CVE-2025-4664 is an insufficient policy enforcement vulnerability in the Loader component of Google Chrome.
Can CVE-2025-4664 lead to data leakage?
Yes, CVE-2025-4664 allows a remote attacker to leak cross-origin data via a crafted HTML page.
What versions of Google Chrome are affected by CVE-2025-4664?
Google Chrome versions prior to 136.0.7103.113 are affected by CVE-2025-4664.