Ref# ADV2026_182 | Date: Mar 24th 2026

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Microsoft has published a security advisory highlighting a vulnerability in the following product on March 20, 2026. It is recommended that you take the necessary precautions by ensuring your product is always updated. 

• Microsoft Edge Stable Channel – versions prior to 146.0.3856.72
   

For more information on this update, you can follow this URL: 

• Microsoft Edge Stable Channel Release Notes 

 

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary. 

PDF Download: Microsoft Edge Advisory

References 

• Microsoft Edge Security Advisory. (February 23, 2026). Retrieved from Canadian Centre for Cyber Security.
  https://www.cyber.gc.ca/en/alerts-advisories/microsoft-edge-security-advisory-av26-268  

 

• Microsoft Edge Stable Channel Release Notes. (n.d.). Retrieved from Microsoft.
  https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#march-20-2026