Advisory Details

April 23rd, 2026

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

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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