Microsoft has published a security advisory, highlighting vulnerabilities in Microsoft Edge (Chromium-based)on 11th January, 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on this Microsoft update you can follow this URL:
https://msrc.microsoft.com/update-guide
The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.
PDF Download: Microsoft Releases Security Updates for Edge.pdf
References
https://us-cert.cisa.gov/ncas/current-activity/2021/01/11/microsoft-releases-security-updates-edge
https://msrc.microsoft.com/update-guide/vulnerability/ADV20000