Microsoft Edge Security Advisory (August 22nd, 2025)

Ref# ADV2025_290 | Date: Aug 22nd 2025

Microsoft Edge has published a security advisory highlighting vulnerabilities in the following products on August 21st, 2025. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

  • Microsoft Edge Stable Channel – versions prior to 139.0.3405.111  
  • Microsoft Extended Edge Stable Channel – versions prior to 138.0.3351.144 

For more information on these updates, you can follow this URL: 

Microsoft Edge Stable Channel Release Notes 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

PDF Download: Microsoft Edge Security Advisory

References