CVE-2023-27323

Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

HIGH
7.8
CVSS Score
Published: May 3, 2024 at 01:55 AM UTC
Updated: June 17, 2026 at 05:44 AM UTC
1 product affected across 1 vendorParallels Desktop

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 18.1.0v < 18.1.0_\(53311\)18.0.0 (53049)
Affected range stops below 18.1.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.1.0_(53311), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHzdi
Vector?

Quick Info

StatusANALYZED
CWE
CWE-367

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