The LAN Manager hash is relatively weak and prone to attacks compared to the cryptographically stronger NTLM hash. Because the LM hash is stored on the local device in the security database, the passwords can be compromised if the security database, Security Accounts Manager (SAM), is attacked.
Stig Server: 2016 - https://www.stigviewer.com/stig/windows_server_2016/2019-01-16/finding/V-736871
2019 - https://www.stigviewer.com/stig/windows_server_2019/2020-06-15/finding/V-93467
Stig Desktop: https://www.stigviewer.com/stig/windows_10/2019-01-04/finding/V-63797