Nundina › Discover calendars › CISA Known Exploited Vulnerabilities calendar › CVE-2026-65400 - Apple macOSCVE-2026-65400 - Apple macOS18 August 2026Apple macOS Improper Authentication Vulnerability. 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....CISA Known Exploited Vulnerabilities calendarMore from this calendar

23 October 2026 - CVE-2026-110447 - Collabora Online – Built-in CODE Server

23 October 2026 - CVE-2026-114625 - Arista VeloCloud Orchestrator

20 October 2026 - CVE-2026-110936 - Siemens Software Center

20 October 2026 - CVE-2026-96652 - Plex Media Server

20 October 2026 - CVE-2026-96654 - Plex Media Server