Docker Desktop: Schwachstelle ermöglicht Privilegieneskalation
WID-SEC-2026-1259 · first 24.04.2026 · updated 26.05.2026 · CVSS 8,8
What it is about
Docker Desktop ist ein GUI-Tool rund um die Open-Source-Docker-Engine, mit dem sich containerisierte Anwendungen auf einem lokalen Rechner erstellen, teilen und ausführen lassen. Ein lokaler Angreifer kann eine Schwachstelle in Docker Desktop ausnutzen, um seine Privilegien zu erhöhen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Docker Desktop <4.59.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Docker Desktop 4.59.0
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- ZDI Advisory vom 2026-04-23 www.zerodayinitiative.com
- Docker Desktop release notes vom 2026-04-23 docs.docker.com
CVE: CVE-2026-6406
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.