CVE-2023-22424EPSS p22.4%
CVE-2023-22424CVE-2023-22424
jtekt / kostac_plc_programming_software
Description
Use-after-free vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. With the abnormal value given as the maximum number of columns for the PLC program, the process accesses the freed memory. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 0.31% probability of exploitation · percentile 22.4% · 2026-06-18T12:00:27Z |
| Last modified | 2026-06-17 |