{"id":"CVE-2026-21427","state":"PUBLISHED","title":"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 re","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.","publishedAt":"2026-01-08T04:12:21.781Z","updatedAt":"2026-01-22T07:03:11.927Z","severity":{"score":8.5,"label":"High","version":"4.0","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","source":"jpcert"},"assigner":"jpcert","products":["PIONEER CORPORATION USB DAC Amplifier APS-DA101JS","PIONEER CORPORATION USB DAC Amplifier APS-DA101JR","PIONEER CORPORATION USB DAC Amplifier APS-DA101JGL","PIONEER CORPORATION USB DAC Amplifier APS-DA101JGR","PIONEER CORPORATION Stellanova Lite APS-S201JS","PIONEER CORPORATION Stellanova Lite APS-S201JR","PIONEER CORPORATION Stellanova Lite APS-S201JGL","PIONEER CORPORATION Stellanova Lite APS-S201JGR","PIONEER CORPORATION Stellanova Limited APS-S202J-LM","PIONEER CORPORATION Stellanova APS-S301 series"],"affected":[{"vendor":"PIONEER CORPORATION","product":"USB DAC Amplifier APS-DA101JS","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"USB DAC Amplifier APS-DA101JR","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"USB DAC Amplifier APS-DA101JGL","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"USB DAC Amplifier APS-DA101JGR","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova Lite APS-S201JS","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova Lite APS-S201JR","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova Lite APS-S201JGL","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova Lite APS-S201JGR","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova Limited APS-S202J-LM","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"PIONEER CORPORATION","product":"Stellanova APS-S301 series","versions":[{"version":"all versions","status":"affected"}]}],"references":["https://jpn.pioneer/ja/support/software/stellanova/dac_driver/","https://jvn.jp/en/jp/JVN17956874/"],"weaknesses":["CWE-427"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21427.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21427","state":"PUBLISHED","datePublished":"2026-01-08T04:12:21.781Z","dateUpdated":"2026-01-22T07:03:11.927Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2025-12-25T00:23:40.578Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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. 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