Serial number: AV26-823
Date: August 17, 2026
Updated: August 18, 2026
As of August 6, 2026, Apple is affected by vulnerabilities in the following products:
- macOS Tahoe
- Prior to 26.6.1
- macOS Sequoia
- Prior to 15.7.9
- macOS Sonoma
- Prior to 14.8.9
Open-source reporting indicates that CVE-2026-65400 is being exploited in the wild.
Update 1
On August 18, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-65400 to their Known Exploited Vulnerabilities (KEV) Database.
The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.