The Security Fix 1 update includes a fix for a critical vulnerability that affected the mechanism for checking the modules loaded in the Full Disk Encryption Authentication Agent (possible bypass of UEFI Secure Boot).

The update is issued for Kaspersky Endpoint Security 11.0.1 for Windows (build 11.0.1.90). The update is compatible with all the private patches that have been issued for the aforementioned version. The device does not have to be decrypted and re-encrypted.

Before installing the update, carefully read about software requirements and limitations that are listed in the article at https://support.kaspersky.com/15118.