ZDI-CAN-29220: ZDI-26-554: 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-13121.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-29220?
ZDI-CAN-29220 has a CVSS rating of 7.8, indicating a high severity level.
How do I fix ZDI-CAN-29220?
To fix ZDI-CAN-29220, update to the latest version of Parallels RAS Client that includes patched functionality.
Who is affected by ZDI-CAN-29220?
ZDI-CAN-29220 affects installations of Parallels RAS Client where local attackers can execute low-privileged code.
What type of attack does ZDI-CAN-29220 enable?
ZDI-CAN-29220 enables local privilege escalation attacks on vulnerable systems.
What is required for an attacker to exploit ZDI-CAN-29220?
An attacker must first be able to execute low-privileged code on the target system to exploit ZDI-CAN-29220.