Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG. To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate as the locally exchanged public key
https://www.tenable.com/blog/microsoft-s-january-2021-patch-tuesday-addresses-83-cves
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1684
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1684