Skip to main content
CVE-2024-6154VulnerabilityPublished Updated

CVE-2024-6154: Parallels Desktop · Heap-based Buffer Overflow

Affects Parallels DesktopSource CVE Database V5

0

Not known to be exploited · CVSS 8.2 High.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.0 base score
8.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Jun 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

AI-suggested

Until an official patch is released, organizations should implement strict access controls on guest virtual machines to limit the ability of users or processes to execute high-privileged code. Employ the principle of least privilege within guest OS environments to reduce the risk of initial compromise. Monitor guest and host systems for unusual behaviors indicative of exploitation attempts, such as unexpected privilege escalations or memory corruption events. Disable or restrict the use of the Toolgate component if feasible, or isolate critical workloads away from vulnerable Parallels Desktop instances. Once a patch is available, prioritize immediate deployment across all affected systems. Additionally, consider network segmentation to limit exposure of virtualized environments and employ endpoint detection and response (EDR) tools capable of detecting exploitation techniques related to heap-based buffer overflows.

Description

Parallels Desktop Toolgate Heap-based Buffer Overflow Local 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 high-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 the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the current user on the host system. Was ZDI-CAN-20450.

References

Community reviews

Loading reviews…