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

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-09
Weakness: CWE-306

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.

Affected products

Zuler Technology DeskIn: through 3.3.4.3

References

https://deskin.io/
https://github.com/Cr0wld3r/CVE-2026-11318
https://www.vulncheck.com/advisories/deskin-xpc-service-privilege-escalation-via-unauthenticated-installer

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