ZDI-26-555: 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-2026-18262.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-555?
The severity of ZDI-26-555 is rated as 7.8 on the CVSS scale.
How do I fix ZDI-26-555?
To fix ZDI-26-555, ensure that you update to the latest version of Parallels RAS Client that addresses this vulnerability.
What type of vulnerability is ZDI-26-555?
ZDI-26-555 is a local privilege escalation vulnerability affecting Parallels RAS Client.
Who is affected by ZDI-26-555?
Individuals and organizations using affected installations of Parallels RAS Client are at risk from ZDI-26-555.
What is required to exploit ZDI-26-555?
An attacker must have the ability to execute low-privileged code on the target system to exploit ZDI-26-555.