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Vulnerabilities

Vulnerability · CVE-2026-21427

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.

Published Jan 8, 2026 · catalog updated Jan 22, 2026 · PIONEER CORPORATION Stellanova Limited APS-S202J-LM

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21427. EPSS is 0.18%. Act only if a listed version of PIONEER CORPORATION Stellanova Limited APS-S202J-LM is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Vendor / distro source
Affected products
vendor PIONEER CORPORATION Stellanova Limited APS-S202J-LM all versions

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor PIONEER CORPORATION Stellanova Limited APS-S202J-LM all versionsall versions

How to fix CVE-2026-21427

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21427. EPSS is 0.18%. Act only if a listed version of PIONEER CORPORATION Stellanova Limited APS-S202J-LM is installed.

Which versions are affected?

Compare what you have installed with PIONEER CORPORATION Stellanova Limited APS-S202J-LM all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2026 · EUVD

    Detected

    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.

  2. Jan 22, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-21427

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21427

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2026-1590

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 8, 2026
  • CVE.orgOct 30, 2026
  • EUVDOct 30, 2026