Microsoft Edge browser (140.0.3485.66) version security update advisory

Overview

 

Microsoft(https://www.microsoft.com) has released a security update that fixes vulnerabilities in products it has supplied. Users of affected products are advised to update to the latest version.

 

Affected Products

 

Microsoft Edge 140.0.3485.66 and earlier

Microsoft Edge (Chromium-based) 140.0.7339.133 and earlier

 

Resolved Vulnerabilities

 

Improper Functional Implementation Vulnerability in the Mojo feature of unknown severity in Microsoft Edge (Chromium-based) (CVE-2025-10201)

Memory Reuse After Freeing Vulnerability in the Serviceworker feature of unknown severity in Microsoft Edge (Chromium-based) (CVE-2025-10200)

 

Vulnerability Patches

 

Microsoft Edge version 140.0.3485.66

Microsoft Edge (Chromium-based) 140.0.7339.133 version

 

The following product-specific Vulnerability Patches were made available in the September 12, 2025 Update. Please use the Windows Update feature for automatic installation or refer to the URLs in the product information below to download and install.