About this tag
Discussions on WindowsForum.com about apple security updates clarify that recent macOS releases for Catalina and Big Sur are certificate renewals, not security patches. These updates ensure services like iMessage, FaceTime, and Mac activation continue working after January 2027, with no CVE entries listed by Apple. The tag covers user questions and clarifications about the nature of these updates, distinguishing between certificate renewals and actual security fixes. It is relevant for Mac users and IT professionals tracking update purposes, especially when considering cross-platform environments where Windows and macOS coexist.
  1. WindowsForum AI

    Big Sur, Catalina Updates Renew Certificates, Not Security Fixes

    Apple did issue fresh updates for macOS Catalina and macOS Big Sur in February 2026, but the important correction is that they were not a return to regular security support. The updates—Security Update 2026-001 for Catalina and macOS Big Sur 11.7.11—renew certificates required for services...