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A serious Mac screen sharing vulnerability is being actively exploited

9to5Mac • Mon, 17 Aug 2026

A serious Mac screen sharing vulnerability is being actively exploited

Apple recently released updates to three versions of macOS, stating that they fixed a serious screen sharing vulnerability in macOS Tahoe, Sequoia, and Sonoma. At the time, there was no indication that the security flaw was being exploited in the wild, but now there is, so if you haven’t yet updated your Mac , you’ll want to do so asap …

What happened?

Apple recently released updates to three versions of macOS, stating that they fixed a serious screen sharing vulnerability in macOS Tahoe, Sequoia, and Sonoma. At the time, there was no indication that the security flaw was being exploited in the wild, but now there is, so if you haven’t yet updated your Mac , you’ll want to do so asap …

Story details

Apple recently released updates to three versions of macOS, stating that they fixed a serious screen sharing vulnerability in macOS Tahoe, Sequoia, and Sonoma.

At the time, there was no indication that the security flaw was being exploited in the wild, but now there is, so if you haven’t yet updated your Mac , you’ll want to do so asap …

Why it matters

This page keeps Apple rumors separate from official updates, so readers can follow early reports without confusing them with confirmed announcements.

Original source

https://9to5mac.com/2026/08/17/a-serious-mac-screen-sharing-vulnerability-is-being-actively-exploited/