What is CVE-2025-4664?

CVE-2025-4664 is a security advisory published by Microsoft Security Response Center (MSRC). Chromium: CVE-2025-4664 Insufficient policy enforcement in Loader

Which CVE IDs does CVE-2025-4664 cover?

CVE-2025-4664 covers the following CVE IDs: CVE-2025-4664. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2025-4664?

CVE-2025-4664 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2025-4664

Chromium: CVE-2025-4664 Insufficient policy enforcement in Loader

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-4664 →

📋 Description

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.

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 136.0.3240.76

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4664
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security