CVE-2026-24068

Local privilege escalation via unvalidated XPC clients

Published Mar 26, 2026 · Updated Mar 26, 2026

Privilege escalation in Vienna Assistant 1.2.542 for macOS allows local users to execute arbitrary commands as root through its XPC helper. The helper's listener:shouldAcceptNewConnection: method accepts every NSXPC client, while runUninstaller executes unvalidated arguments through Bash. Any local process implementing HelperToolProtocol can invoke the root helper to run commands or write arbitrary files.

CVSS severity8.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Vienna Assistant 1.2.542 for macOS allows local users to execute arbitrary commands as root through its XPC helper. The helper's listener:shouldAcceptNewConnection: method accepts every NSXPC client, while runUninstaller executes unvalidated arguments through Bash. Any local process implementing HelperToolProtocol can invoke the root helper to run commands or write arbitrary files.

The record

CVE
CVE-2026-24068
Published
Mar 26, 2026
Updated
Mar 26, 2026
Vendor
Vienna Symphonic Library
Product
Vienna Assistant
Classifications
CWE-306, CAPEC-1, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=1.2.542

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Vienna Symphonic Library · Vienna Assistantversion=1.2.542

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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