Apple Updates MacOS Security for Vulnerable Screen Sharing Tool

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The story so far — full thread
Apple Updates MacOS Security for Vulnerable Screen Sharing Tool
Photo: CNET
tech· A press review of 4 outlets

  1. A few weeks back, Apple released several macOS security updates to address a serious vulnerability within its Screen Sharing tool. At the time, the bug hadn't been spotted in the wild. It was more of a "better safe than sorry" type of thing. Now it's actually been found wreaking havoc in the Netherlands, according to a report by Ars Technica.

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    CNET

    Mac users who haven’t installed the latest security updates for their operating system could be in danger of exposure to a major screen-sharing vulnerability. According to researchers in the Netherlands, the exploit has already led to online hacking for cryptocurrency mining.

  2. As sites including 9to5Mac and Ars Technica have reported, Apple recently addressed the issue with security updates to its three most recent MacOS versions: Sonoma 14.8.9, Sequoia 15.7.9 and Tahoe 26.6.1.

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    Engadget

    As previously mentioned, Apple has already issued software fixes. A software update was recommended back when this vulnerability was, more or less, theoretical. Now it's an absolute necessity. The bug impacts Tahoe, Sequoia and Sonoma, and there are new versions of all three.

  3. According to Apple’s update documentation, the vulnerability could allow an attacker on the network to authenticate to screen sharing without valid credentials. That could mean not only viewing your screen, but also opening up files, spying on private chats and even taking control of your keyboard and mouse or trackpad.

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    Engadget

    PoC for a critical vulnerability in Apple macOS Screen Sharing (CVE-2026-65400).

From the margins

4 details only one outlet reported

Independent claims that didn't surface elsewhere in our corpus. Treat as supplementary — not corroborated across outlets.

  1. 01 CNET

    If you haven’t upgraded to those operating system versions, you may be exposing your system to a loss of control through the screen-sharing function, which allows you to wirelessly mirror or extend your Mac‘s desktop to a TV, tablet or other device’s screen.

  2. 02 TechCrunch

    An unprecedented number of Apple customers have reported receiving a recent threat notification alerting them to suspected spyware attacks targeting their devices, according to experts who investigate these types of incidents.

  3. 03 Engadget

    It lets attackers view your screen, open files and do just about anything else they want.

  4. 04 Wired

    One of the oddest things about macOS is the installation dance. Dealing with disk images, dragging and dropping—it's the main way of installing software from outside the Mac App Store, and it's annoying.

Assembled from 3 corroborated claims drawn from 4 independent outlets. Every passage above is taken verbatim — Dorothy doesn't paraphrase or summarize.

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Coverage by Perspective

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Source Similarity

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Sources (4)

  • wired
  • techcrunch
  • engadget
  • cnet

Original Articles (4)

Consumer Attackers Could Take Over Your Mac Through Screen Sharing Unless You Update Now — CNET
Enterprise ‘Unprecedented’ number of Apple users received recent spyware alert, say investigators — TechCrunch
Consumer That Apple Screen Sharing bug has now been seen in the wild, so please update macOS — Engadget
Culture Someone Finally Fixed Installing Apps on a Mac — Wired