CVE-2026-21427

HIGH

Pioneer Corporation - DLL Hijacking

Title source: llm

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.

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 0.3%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE
CWE-427
Status draft

Timeline

Published Jan 08, 2026
Tracked Since Feb 18, 2026