Apple macOS (Sonoma, Sequoia und Tahoe): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2026-2687 · first 07.08.2026 · updated 13.08.2026 · CVSS 8,2
What it is about
Apple macOS ist ein Betriebssystem, das auf FreeBSD und Mach basiert. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apple macOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- Apple macOS Sonoma <14.8.9
- Apple macOS Sequoia <15.7.9
- Apple macOS Tahoe <26.6.1
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Apple macOS Sonoma 14.8.9
- Apple macOS Sequoia 15.7.9
- Apple macOS Tahoe 26.6.1
Is the vulnerability already being exploited?
- CVE-2026-65400: exploited in the wild according to CISA, in the catalogue since 18.08.2026.
Information and sources
- Original BSI advisory (WID)
- Apple security updates vom 2026-08-06 support.apple.com
- Apple security updates vom 2026-08-06 support.apple.com
- Apple security updates vom 2026-08-06 support.apple.com
- GitHub Security Advisory GHSA-cwph-f4w9-f4wq vom 2026-08-06 github.com
- Nationaal Cyber Security Centrum vom 2026-08-12 www.ncsc.nl
CVE: CVE-2026-65400
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.