Although these four vulnerabilities primarily affect enterprise and server environments, CVE-2026-65400 is also relevant to ordinary Mac users. The key factor in each case is whether the affected feature or software is in use and whether the system has already been updated. You should therefore: Update Windows and Windows Server to the latest version.
Check SharePoint installations and bring them up to their latest available security updates.
Update VMware vCenter systems to their latest versions.
Update Macs to at least macOS Sonoma 14.8.9, Sequoia 15.7.9, or Tahoe 26.6.1.
For affected sy