Apple has recently fixed a security vulnerability in Mac. It's advisable to update today.
Your Mac now has one less security concern to deal with.
Apple has issued a series of security updates for macOS that resolve a vulnerability in its built-in remote access feature, Screen Sharing. This flaw could potentially allow an attacker on the same network to circumvent authentication and gain access to Screen Sharing without the correct credentials.
The issue, identified as CVE-2026-65400, impacts various versions of macOS. Apple has rolled out macOS Tahoe 26.6.1, macOS Sequoia 15.7.9, and macOS Sonoma 14.8.9, all of which address this vulnerability.
According to Apple, this vulnerability primarily affects users who have manually activated Screen Sharing prior to updating. An attacker would generally need to be on the same network as the targeted Mac, which lessens the risk of a remote attack via the internet. Private home and corporate networks often block the connections necessary to exploit this flaw.
Nonetheless, given the circumstances surrounding the patch, it is advisable to install it rather than delay.
This flaw pertains to a feature that can control your Mac.
Screen Sharing enables a connected user to remotely view and control a Mac. When activated, it allows access to the desktop, files, windows, applications, and even the ability to restart the computer. Thus, an authentication bypass is far more critical than a vulnerability affecting a standalone component.
The vulnerability was highlighted by Alfredo Pesoli, co-founder and CEO of the cybersecurity firm Bynario. Apple has stated that it is not aware of the flaw being exploited outside of test environments, and a company representative informed Inc. that users who have not manually enabled Screen Sharing are not at risk.
Currently, there is no public proof-of-concept exploit for this issue, which is somewhat reassuring, but it does not warrant ignoring the update.
The unusual timing of the release is a significant alert.
Apple issued the patch outside of its regular software update schedule, and the security notes published by the company emphasize this single vulnerability. This drew attention from Phil Stokes, a research engineer at the cybersecurity firm SentinelOne, who remarked to Inc. that the timing “suggests some urgency.” He advised that enterprises should prioritize the patch based on whether Screen Sharing is enabled and accessible.
For Mac users, updating is a simple process. Go to System Settings > General > Software Update and install the latest version compatible with your Mac. Apple also recommends keeping macOS up-to-date as one of the most crucial steps users can take to ensure security.
This update precedes Apple’s major software releases this fall, including macOS 27 and iOS 27, which are set to bring features such as Siri AI and enhanced on-device intelligence. While those updates may receive more focus, this smaller security patch is arguably the more pressing matter for Mac users.
Moinak Pal has been covering both consumer technology and automotive technology in the tech sector...
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Apple has recently fixed a security vulnerability in Mac. It's advisable to update today.
Apple has issued macOS updates that address a Screen Sharing vulnerability which could permit network attackers to circumvent authentication.