A security flaw has been identified in Apple's macOS operating system. The issue is an improper authentication vulnerability that affects the system's built-in Screen Sharing feature.
This vulnerability could allow an attacker who is connected to the same network as your macOS device to access your Screen Sharing session without needing to enter valid login credentials for your account.
Source: CISA Known Exploited Vulnerabilities Catalog — https://nvd.nist.gov/vuln/detail/CVE-2026-65400
