You're going to want to update your Mac to address a serious Screen Sharing vulnerability that could letter a malicious actor initiate screen sharing without authentic credentials.This week Apple released macOS Sonoma 14.8.9, macOS Sequoia 15.7.9, and macOS Tahoe 26.6.1 with release notes. Notably, all three releases claim that Apple made "important security fixes" and recommended the updates for everyone."Impact: An attacker on the network may be able to authenticate to Screen Sharing without valid credentialsDescription: An authentication issue was addressed with improved state management."That message is the same across all three versions of macOS.It doesn't appear that the bug has been exploited in the wild, but if you haven't updated your Mac recently, now is the time to do so. Based on Apple's description, it appears that a bad actor could bypass Screen Sharing authentication checks, which would give them remote access to your computer.Potentially, this would allow them to view the screen, open apps or files or perform other actions on the computer.Get instant access to breaking news, the hottest reviews, great deals and helpful tips.You may not use screen sharing, but it's still a good idea to install this update. Apple clearly deemed the flaw serious enough to patch three different versions of macOS before the next round of major OS updates.Keep your Mac safe