Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-18262— Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability

Quick assessment

Affected
Parallels RAS Client
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.

Parallels RAS 客户端 RDP 后端服务存在危险函数暴露漏洞，可导致本地权限提升。该漏洞允许本地攻击者在受影响系统的 Parallels RAS 客户端安装环境中提升权限。要利用此漏洞，攻击者首先必须在目标系统上获得执行低权限代码的能力。 该特定漏洞存在于 RAS RDP 后端服务中，其成因是某个危险函数被不当暴露。攻击者可以利用此漏洞提升权限，并在 SYSTEM 系统账户的上下文中执行任意代码。该漏洞编号为 ZDI-CAN-28885。

AI Predicted 7.8 Difficulty: Hard EPSS 0.17% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
Parallels RAS Client 21.0.26296 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-18262

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels RAS Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the RAS RDP Backend Service. The issue results from an exposed dangerous function. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-28885.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Parallels RAS Client 21.0.26296 -

II. Public POCs for CVE-2026-18262

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-18262

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-18262 (1)

Same Patch Batch · Parallels · 2026-08-20 · 3 CVEs total

CVE-2026-18263 Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escala
CVE-2026-13121 Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escala

IV. Related Vulnerabilities

Same product: RAS Client
Same vendor: Parallels
Same weakness: CWE-749

V. Comments for CVE-2026-18262

No comments yet

Leave a comment