The company released updates to three of its macOS platforms today. The newest versions are macOS Tahoe 26.6.1, macOS Sequoia 15.7.9 and macOS Sonoma 14.8.9. When you update a device, the messaging is simply, "This update provides security updates for your Mac." On its support pages, Apple has specified that these changes address a vulnerability in Screen Sharing. We suspected that it was for a pretty critical issue since these OS updates didn't go through the usual developer and public beta phases.