CVE-2023-27322

Parallels Desktop Service Improper Initialization 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 0.4%
SSVC
No known exploit

Description

Parallels Desktop Service Improper Initialization 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 Parallels Service. The issue results from the lack of proper initialization of environment variables. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-17751.

Affected

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

v < 18.1.0v < 18.1.0_\(53311\)17.1.4 (51567)
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-665

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