In a future update to iOS 16, iPadOS 16.1, and macOS 13, Apple will add a mechanism for shipping security fixes to users more frequently. These responses are included in any ensuing minor update (not upgrade) and, on a Mac, updated content appears on the Preboot volume (through symbolic links in /System/Cryptexes/).
Link:
https://support.apple.com/guide/deployment/rapid-security-responses-dep93ff7ea78/web