Docker Desktop Enhanced Container Isolation Exposed Dangerous Function Local Privilege Escalation Vulnerability

April 23rd, 2026
ZDI-26-299 ZDI-CAN-28822

CVE ID

CVE-2026-6406

CVSS Score

8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Vendors

Docker

Affected Products

Desktop

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of Docker Desktop. An attacker must first obtain the ability to execute low-privileged code within a container in order to exploit this vulnerability.

The specific flaw exists within the processing of Docker CLI arguments. The issue results from an exposed dangerous function. An attacker can leverage this vulnerability to escalate privileges to resources normally protected by Enhanced Container Isolation.

Additional Details

Fixed in Docker Desktop 4.59.0


Disclosure Timeline

  • 2026-01-09 - Vulnerability reported to vendor
  • 2026-04-23 - Coordinated public release of advisory
  • 2026-04-23 - Advisory Updated

Credit

Nitesh Surana (niteshsurana.com) of Trend Research

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