CVE-2023-27328: Parallels Desktop Toolgate XML Injection Local Privilege Escalation Vulnerability

Q: How do I fix CVE-2023-27328?

parallels desktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-27328 being exploited?

CVE-2023-27328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-27328 affect?

CVE-2023-27328 affects parallels desktop. Severity is high (CVSS 7.8). Parallels Desktop Toolgate XML Injection 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

Routine

HIGH 7.8MITIGATE

CVE-2023-27328 is a high-severity flaw (CVSS 7.8) affecting parallels desktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Parallels Desktop Toolgate XML Injection 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 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 a

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-91
Published	2024-05-03
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: parallels

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-03 02:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

parallels parallels desktop MITIGATE

Affected: < 18.1.1_\(53328\)

Fixed in: 18.1.1_\(53328\)

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy parallels-desktop || rpm -q parallels-desktop || parallels-desktop --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-27328?

parallels desktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-27328 being exploited?

CVE-2023-27328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-27328 affect?

CVE-2023-27328 affects parallels desktop. Severity is high (CVSS 7.8). Parallels Desktop Toolgate XML Injection 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

How urgent is CVE-2023-27328?

Priority 34/100. High severity

Related CVEs

CVE-2025-31359 HIGH 8.8 MITIGATE A directory traversal vulnerability exists in the PVMP package unpacking functionality of Parallels Desktop fo
CVE-2024-6240 HIGH 7.7 UPGRADE Improper privilege management vulnerability in Parallels Desktop Software, which affects versions earlier than
CVE-2024-6154 MEDIUM 6.7 UPGRADE Parallels Desktop Toolgate Heap-based Buffer Overflow Local Privilege Escalation Vulnerability
CVE-2024-6153 HIGH 7.8 UPGRADE Parallels Desktop Updater Protection Mechanism Failure Software Downgrade Vulnerability
CVE-2024-54189 HIGH 7.8 MITIGATE A privilege escalation vulnerability exists in the Snapshot functionality of Parallels Desktop for Mac version

References

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