{"id":"CVE-2026-21427","aliases":["EUVD-2026-1590","GHSA-j8fw-422f-28h7"],"status":"published","title":"The installers for multiple products provided by PIONEER CORPORATION contain an issue with the...","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.","severity":{"version":"4.0","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00182,"percentile":0.07852,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427"],"published":"2026-01-08T04:12:21Z","modified":"2026-06-17T10:18:39Z","products":[{"vendor":"pioneer corporation","product":"stellanova aps-s301 series"},{"vendor":"pioneer corporation","product":"stellanova limited aps-s202j-lm"},{"vendor":"pioneer corporation","product":"stellanova lite aps-s201jgl"},{"vendor":"pioneer corporation","product":"stellanova lite aps-s201jgr"},{"vendor":"pioneer corporation","product":"stellanova lite aps-s201jr"},{"vendor":"pioneer corporation","product":"stellanova lite aps-s201js"},{"vendor":"pioneer corporation","product":"usb dac amplifier aps-da101jgl"},{"vendor":"pioneer corporation","product":"usb dac amplifier aps-da101jgr"},{"vendor":"pioneer corporation","product":"usb dac amplifier aps-da101jr"},{"vendor":"pioneer corporation","product":"usb dac amplifier aps-da101js"}],"references":[{"url":"https://jpn.pioneer/ja/support/software/stellanova/dac_driver/"},{"url":"https://jvn.jp/en/jp/JVN17956874/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21427"},{"url":"https://jpn.pioneer/ja/support/software/stellanova/dac_driver"},{"url":"https://jvn.jp/en/jp/JVN17956874"},{"url":"https://github.com/advisories/GHSA-j8fw-422f-28h7"}],"sources":{"cve":[{"id":"CVE-2026-21427","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.","status":"published","published":"2026-01-08T04:12:21.781Z","modified":"2026-01-22T07:03:11.927Z","cvss":[{"version":"4.0","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","level":"high","assessor":"cna"},{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-1590","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.","status":"published","published":"2026-01-08T04:12:21Z","modified":"2026-01-22T07:03:11Z","cvss":[{"version":"4.0","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","level":"high"}],"updated_at":"2026-11-02T19:48:48.974823Z"}],"ghsa":[{"id":"GHSA-j8fw-422f-28h7","title":"The installers for multiple products provided by PIONEER CORPORATION contain an issue with the...","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. 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