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

Quick assessment

Affected
Zuler Technology DeskIn
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Deskin 3.3.4.3 版本中存在一个权限提升漏洞，位于 com.deskin.service.installer XPC 服务中。该漏洞允许本地未特权攻击者在无需认证的情况下，通过连接该由 root 用户拥有的服务，以 root 权限执行任意安装程序。攻击者可调用特权安装程序方法，运行其提供的安装程序，从而完全获取 macOS 主机的 root 控制权。

CVSS 7.8 · High
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I. Basic Information for CVE-2026-11318

Vulnerability Information
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Vulnerability Title
Deskin 3.3.4.3 XPC Service Privilege Escalation via Unauthenticated Installer
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zuler Technology DeskIn 0 ~ 3.3.4.3 -

II. Public POCs for CVE-2026-11318

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III. Intelligence Information for CVE-2026-11318

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Vendor Advisories for CVE-2026-11318 (1)

Proof of Concept for CVE-2026-11318 (1)

Vendor Pages for CVE-2026-11318 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-11318

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