The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result, arbitrary code may be executed with the privileges of the running installer.
History

Thu, 08 Jan 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 08 Jan 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Pioneer
Pioneer stellanova Lite Aps-s201jgl
Pioneer stellanova Lite Aps-s201jgr
Pioneer stellanova Lite Aps-s201jr
Pioneer stellanova Lite Aps-s201js
Pioneer stelllanova Aps-s301 Series
Pioneer stelllanova Limited Aps-s202j-lm
Pioneer usb Dac Amplifier Aps-da101jgl
Pioneer usb Dac Amplifier Aps-da101jgr
Pioneer usb Dac Amplifier Aps-da101jr
Pioneer usb Dac Amplifier Aps-da101js
Vendors & Products Pioneer
Pioneer stellanova Lite Aps-s201jgl
Pioneer stellanova Lite Aps-s201jgr
Pioneer stellanova Lite Aps-s201jr
Pioneer stellanova Lite Aps-s201js
Pioneer stelllanova Aps-s301 Series
Pioneer stelllanova Limited Aps-s202j-lm
Pioneer usb Dac Amplifier Aps-da101jgl
Pioneer usb Dac Amplifier Aps-da101jgr
Pioneer usb Dac Amplifier Aps-da101jr
Pioneer usb Dac Amplifier Aps-da101js

Thu, 08 Jan 2026 04:15:00 +0000

Type Values Removed Values Added
Description The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result, arbitrary code may be executed with the privileges of the running installer.
Weaknesses CWE-427
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-01-08T15:52:56.950Z

Reserved: 2025-12-25T00:23:40.578Z

Link: CVE-2026-21427

cve-icon Vulnrichment

Updated: 2026-01-08T15:52:53.638Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-08T04:15:56.690

Modified: 2026-01-08T18:08:18.457

Link: CVE-2026-21427

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-08T09:47:42Z