What’s Vulnerable › Vulnerabilities

CVE-2026-21427

• Severity: high (CVSS 8.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-08 · updated 2026-06-17
• Weakness: CWE-427

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.

Affected products

• PIONEER CORPORATION Stellanova APS-S301 series: all versions
• PIONEER CORPORATION Stellanova Limited APS-S202J-LM: all versions
• PIONEER CORPORATION Stellanova Lite APS-S201JGL: all versions
• PIONEER CORPORATION Stellanova Lite APS-S201JGR: all versions
• PIONEER CORPORATION Stellanova Lite APS-S201JR: all versions
• PIONEER CORPORATION Stellanova Lite APS-S201JS: all versions
• PIONEER CORPORATION USB DAC Amplifier APS-DA101JGL: all versions
• PIONEER CORPORATION USB DAC Amplifier APS-DA101JGR: all versions
• PIONEER CORPORATION USB DAC Amplifier APS-DA101JR: all versions
• PIONEER CORPORATION USB DAC Amplifier APS-DA101JS: all versions

References

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

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