CVE-2023-27327
Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
- Published
- May 3, 2024
- Updated
- Aug 2, 2024
- Assigning CNA
- zdi
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.0
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 34.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Parallels Desktop Toolgate Time-Of-Check Time-Of-Use 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 locking when performing operations on an object. 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-18964.
Sources
1- parallels-plist-escapeExploit
Exploits for CVE-2023-27327 and CVE-2023-27328
Responsible use
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