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9to5mac
Apple’s latest macOS updates address a serious Screen Sharing vulnerability
Apple has issued updates for macOS Tahoe, Sequoia, and Sonoma, addressing a serious vulnerability in the Screen Sharing feature that could allow unauthorized users to gain access to a Mac. The vulnerability, characterized by a bug that permitted authentication without valid credentials, poses significant risks of remote access, exposing sensitive information. While there are no reports of exploitation in the wild, Apple’s swift action indicates the seriousness of the flaw and their commitment to user security.
Act nowConfidence: HighImmediate horizon
Published 6 Aug 2026, 18:30 UTC1 min read
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Summary
TL;DR
- Apple released updates for macOS Tahoe, Sequoia, and Sonoma.
- The updates address a serious vulnerability in Screen Sharing.
- An attacker could authenticate without valid credentials.
- The vulnerability could lead to unauthorized remote access.
- Users are urged to install the updates promptly.
Interesting facts
- The vulnerability did not appear to have been exploited in the wild.
- Apple prioritized this security fix without prior beta releases.
- The fix was rolled out across three macOS versions simultaneously.