CVE-2026-11318 Deskin 3.3.4.3 XPC Service Privilege Escalation via Unauthenticated Installer

High 8.5 Published Updated

Local attackers can escalate privileges to root by exploiting an unauthenticated XPC service in the Deskin macOS application.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-11318?

CVE-2026-11318 is a high-severity vulnerability in Zuler Technology DeskIn, published on 8 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Deskin through 3.3.4.3 contains a privilege escalation vulnerability in the com.deskin.service.installer XPC service that allows local unprivileged attackers to execute arbitrary installer packages as root by connecting to the root-owned service without authentication. Attackers can invoke the privileged installer method to run an attacker-supplied installer, achieving full root compromise of the macOS host.

Weakness: CWE-306

Which versions are affected by CVE-2026-11318?

How do I fix CVE-2026-11318?

No fix has been published for CVE-2026-11318 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-11318 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11318 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-hvrh-p54p-hg8c.

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