Microsoft has published a security advisory, highlighting vulnerabilities in multiple products on 11th May, 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on these Microsoft security updates, you can follow these URLs:
https://msrc.microsoft.com/update-guide/releaseNote/2021-May
https://portal.msrc.microsoft.com/en-us/security-guidance
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Microsoft Releases Security Updates.pdf
References