Is CVE-2023-27323 actively exploited?

No active exploitation of CVE-2023-27323 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-27323 be exploited remotely?

No. CVE-2023-27323 requires local access to exploit.

What is the CVSS score of CVE-2023-27323?

CVE-2023-27323 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2023-27323

CWE-367Published: May 3, 2024· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Parallels Desktop Updater 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 low-privileged code on the target host system in order to exploit this vulnerability.

The specific flaw exists within the Updater service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

. Was ZDI-CAN-18150.

NVD Source

Technical Analysis

CVE-2023-27323 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.