ZDI-CAN-28885: ZDI-26-555: Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability

Published Aug 11, 2026
·
Updated

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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18262.

Affected Software

1 affected component
Parallels RAS Client

Event History

Aug 11, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-28885?

The severity of ZDI-CAN-28885 is rated at 7.8 according to the CVSS.

2

How do I fix ZDI-CAN-28885?

To fix ZDI-CAN-28885, ensure that you update to the latest version of Parallels RAS Client that addresses this vulnerability.

3

Who is affected by ZDI-CAN-28885?

Users and organizations using affected versions of Parallels RAS Client are at risk from ZDI-CAN-28885.

4

What type of vulnerability is ZDI-CAN-28885?

ZDI-CAN-28885 is classified as a local privilege escalation vulnerability.

5

What must an attacker do to exploit ZDI-CAN-28885?

An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit ZDI-CAN-28885.

Contact

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