Apple has released security updates for MacOS Tahoe 26.6.1, MacOS Sequoia 15.7.9, and MacOS Sonoma 14.8.9, each addressing the same security flaw relating to the Screen Sharing service where an attacker could authenticate without valid credentials. Due to the nature of security updates, the software update is recommended for all users of Tahoe, Sequoia, and Sonoma operating systems. macOS Tahoe 26.6.1 Direct Download LinksDownload links for IPSW and full installers are below from Apple CDN servers:MacOS Sequoia 15.7.9 & MacOS Sonoma 14.8.9 Direct Download LinksFull installers are available via Apple CDN:We continue to keep an updated list of all available MacOS installers here as a resource as well. MacOS Tahoe 26.6.1, MacOS Sequoia 15.7.9, & MacOS Sonoma 14.8.9 Release NotesRelease notes accompanying the download are as follows:This update provides important security fixes and is recommended for all users. MacOS Tahoe 26.6.1, MacOS Sequoia 15.7.9, & MacOS Sonoma 14.8.9 Security Release NotesSecurity specific notes for the updates, which mention the specific Screen Sharing flaw, are as follows:Screen Sharing Available for: macOS Tahoe, macOS Sequoia, macOS Sonoma Impact: An attacker on the network may be able to authenticate to Screen Sharing without valid credentials Description: An authentication issue was addressed with improved state management.