CVE-2024-34331Public exploit

Root code execution via unsigned installer binary

Published Sep 23, 2024 · Updated Sep 23, 2024

Privilege escalation in Parallels Desktop for Mac 19.3.0 and earlier allows local users to execute arbitrary code as root. The do_repack_createinstallmedia path in repack_osx_install_app.sh invokes an installer-supplied createinstallmedia binary through the setuid-root Parallels Service without verifying its code signature. Exploitation requires local code execution on an Intel Mac and a crafted macOS installer; Apple silicon hosts do not enter the vulnerable path.

CVSS severity9.8
Critical
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Privilege escalation in Parallels Desktop for Mac 19.3.0 and earlier allows local users to execute arbitrary code as root. The do_repack_createinstallmedia path in repack_osx_install_app.sh invokes an installer-supplied createinstallmedia binary through the setuid-root Parallels Service without verifying its code signature. Exploitation requires local code execution on an Intel Mac and a crafted macOS installer; Apple silicon hosts do not enter the vulnerable path.

The record

CVE
CVE-2024-34331
Published
Sep 23, 2024
Updated
Sep 23, 2024
Vendor
Parallels
Product
Parallels Desktop
Classifications
CWE-269, T1068
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 23, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=19.3.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Parallels · Parallels Desktopversion=0 <=19.3.0

Published CVSS scores

9.8CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo