DLL Search Path Vulnerability in Products from PIONEER CORPORATION
CVE-2026-21427

8.5HIGH

Key Information:

Vendor

Pioneer Corporation

Status
Usb Dac Amplifier Aps-da101js
Usb Dac Amplifier Aps-da101jr
Usb Dac Amplifier Aps-da101jgl
Usb Dac Amplifier Aps-da101jgr
Vendor
CVE Published:
8 January 2026

What is CVE-2026-21427?

Multiple products from PIONEER CORPORATION contain a vulnerability in their installers due to an improper DLL search path configuration. This flaw could allow arbitrary code execution when the installer is executed, potentially compromising the system's integrity as the code would run with the privileges of the installer process. Affected users are encouraged to update to the latest versions to mitigate this risk.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

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Deploy the Patch

Affected Version(s)

Stellanova APS-S301 series all versions

Stellanova Limited APS-S202J-LM all versions

Stellanova Lite APS-S201JGL all versions

References

https://jpn.pioneer/ja/support/software/stellanova/dac_dr...
https://jvn.jp/en/jp/JVN17956874/

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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