
The transition of CVE-2026-65400 from a patching concern to an active-exploitation incident emphasizes the critical risk facing macOS Screen Sharing users. This specific vulnerability, identified technically as an improper authentication flaw within the CWE-287 classification, allows unauthorized remote attackers to bypass established security boundaries entirely. Rated with a CVSS 3.1 score of 9.8, the severity of this issue cannot be










