What is the severity of ZDI-CAN-11926?

The severity of ZDI-CAN-11926 is classified as a high-risk vulnerability allowing local privilege escalation.

How do I fix ZDI-CAN-11926?

To mitigate ZDI-CAN-11926, users should update Parallels Desktop to the latest available version after checking for specific patch details.

Who is affected by ZDI-CAN-11926?

Users of Parallels Desktop for Mac with low-privileged code execution capabilities on their guest systems are affected by ZDI-CAN-11926.

What type of vulnerability is ZDI-CAN-11926?

ZDI-CAN-11926 is a local privilege escalation vulnerability that requires a local attacker to exploit.

Can ZDI-CAN-11926 be exploited remotely?

No, ZDI-CAN-11926 requires local access to the system for an attacker to exploit the vulnerability.

Vulnerability/
ZDI-CAN-11926

high

8.8

24/3/2025

ZDI-CAN-11926: Parallels Desktop Toolgate Out-Of-Bounds Write Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.

Affected Software	Affected Version	How to fix
Parallels

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Frequently Asked Questions

What is the severity of ZDI-CAN-11926?
The severity of ZDI-CAN-11926 is classified as a high-risk vulnerability allowing local privilege escalation.
How do I fix ZDI-CAN-11926?
To mitigate ZDI-CAN-11926, users should update Parallels Desktop to the latest available version after checking for specific patch details.
Who is affected by ZDI-CAN-11926?
Users of Parallels Desktop for Mac with low-privileged code execution capabilities on their guest systems are affected by ZDI-CAN-11926.
What type of vulnerability is ZDI-CAN-11926?
ZDI-CAN-11926 is a local privilege escalation vulnerability that requires a local attacker to exploit.
Can ZDI-CAN-11926 be exploited remotely?
No, ZDI-CAN-11926 requires local access to the system for an attacker to exploit the vulnerability.

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alias/ZDI-21-209
alias/ZDI-CAN-11926
alias/CVE-2021-27242
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vendor/parallels
canonical/parallels

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