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ZDI-26-259: (0Day) Docker Desktop cli-plugins Incorrect Permission Assignment Local Privilege Escalation Vulnerability

0
High
Published: Wed Apr 15 2026 (04/15/2026, 05:00:00 UTC)
Source: Zero Day Initiative

Description

This vulnerability allows local attackers to escalate privileges on affected installations of Docker Desktop for Windows. An attacker must first obtain the ability to escape the container and execute low-privileged code within the Docker Hyper-V VM in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/26/2026, 20:13:07 UTC

Technical Analysis

The vulnerability in Docker Desktop for Windows arises from incorrect permission settings on folders used by the cli-plugins feature. An attacker must first break out of the container environment and run low-privileged code inside the Docker Hyper-V VM. Leveraging the permission misconfiguration, the attacker can escalate privileges and execute arbitrary code on the host system with the current user's rights. The vendor declined to issue a fix, arguing exploitation requires prior privileged access. The Zero Day Initiative assigned a CVSS score of 7.8 (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H). No patch or remediation has been publicly disclosed.

Potential Impact

Successful exploitation allows local attackers who have already escaped the container to escalate their privileges on the host system running Docker Desktop for Windows. This can lead to arbitrary code execution with the current user's privileges, potentially compromising confidentiality, integrity, and availability of the affected system. However, exploitation requires prior ability to execute code inside the Docker Hyper-V VM, limiting the attack surface.

Mitigation Recommendations

No official patch or fix is currently available as the vendor rejected the report. The advisory recommends restricting interaction with Docker Desktop to trusted users as the primary mitigation strategy. Users should limit access to the Docker environment and monitor for attempts to escape containers. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.

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Technical Details

Article Source
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Threat ID: 6a15fc93e29bf47b5055e130

Added to database: 5/26/2026, 8:03:31 PM

Last enriched: 5/26/2026, 8:13:07 PM

Last updated: 5/26/2026, 10:23:04 PM

Views: 3

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