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Fencer Intel
high 7.8

CVE-2026-21427 json

The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurel…

published 10mo ago modified 4mo ago also EUVD-2026-1590

cvss
7.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

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.

Is CVE-2026-21427 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
10mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 4.0 8.5 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
CNA 4.0 8.5 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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected 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

Classification

Weakness
  • CWE-427 Uncontrolled Search Path Element

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.