{"id":"CVE-2026-65400","vendor_project":"Apple","product":"macOS","vulnerability_name":"Apple macOS Improper Authentication Vulnerability","date_added":"2026-08-18","due_date":"2026-08-21","known_ransomware_use":"Unknown","short_description":"Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","cwes":"CWE-287","cvss_version":"3.1","cvss_severity":"CRITICAL","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","nvd_published":"2026-08-06","nvd_status":"Analyzed","epss":0.10461,"epss_percentile":0.95542,"cvss_score":9.8,"days_published_to_kev":12,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-65400","by":"CyberMax"}