Apple has published a security advisory, highlighting a vulnerability in the following product on November 10th, 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
iCloud for Windows 13
For more information on this update, you can follow this URL:
https://support.apple.com/en-us/HT212953
The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.
PDF Download: Apple Security Update for iCloud for Windows.pdf
References
Apple security advisory (10th November 2021). Retrieved from Apple.
https://support.apple.com/en-us/HT212953
Apple security advisory (11th November 2021). Retrieved from Cybersecurity & Infrastructure Security Agency.