{"id":"CVE-2026-21427","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-21427","generatedAt":"2026-10-28T03:39:15.234Z","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.","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.","published":"2026-01-08T04:15:57.000Z","lastModified":"2026-06-17T10:18:39.000Z","status":"Deferred","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"4.0","score":8.5,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-427"],"affected":[],"epss":{"score":0.00182,"percentile":0.07716,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://jpn.pioneer/ja/support/software/stellanova/dac_driver/","source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN17956874/","source":"vultures@jpcert.or.jp"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21427","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}