A significant security vulnerability identified as CVE-2026-65400 has been found in Apple's macOS, specifically within the Screen Sharing component, which carries a critical CVSS score of 9.8. The Netherlands National Cyber Security Centre (NCSC) has reported that this flaw is being actively exploited by attackers to install Monero cryptocurrency miners on internet-exposed Macs. This highlights the pressing need for organizations to ensure that their systems are updated and secure against such vulnerabilities.
For businesses, the implications of this exploit are profound, particularly as remote work and the use of cloud services continue to rise. Companies must prioritize timely patching of their systems to prevent unauthorized access and potential resource hijacking that can lead to financial losses. Additionally, this incident underscores the critical importance of robust cybersecurity practices, including regular security audits and employee training, as well as the necessity for a vigilant approach to network security to safeguard against similar attacks in the future.
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*Originally reported by [The Hacker News](https://thehackernews.com/2026/08/apple-macos-screen-sharing-flaw.html)*