CVE-2026-21427highCWE-427

CVE-2026-21427: high-severity vulnerability in PIONEER CORPORATION Stellanova APS-S301 series

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.5epss 0.2%
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.
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
Affected products
PIONEER CORPORATION · Stellanova APS-S301 seriesPIONEER CORPORATION · Stellanova Limited APS-S202J-LMPIONEER CORPORATION · Stellanova Lite APS-S201JGLPIONEER CORPORATION · Stellanova Lite APS-S201JGRPIONEER CORPORATION · Stellanova Lite APS-S201JRPIONEER CORPORATION · Stellanova Lite APS-S201JSPIONEER CORPORATION · USB DAC Amplifier APS-DA101JGLPIONEER CORPORATION · USB DAC Amplifier APS-DA101JGRPIONEER CORPORATION · USB DAC Amplifier APS-DA101JRPIONEER CORPORATION · USB DAC Amplifier APS-DA101JS