Vulnerability record · CVE-2026-66839 · published 5 August 2026

CVE-2026-66839: Unquoted search path vulnerability

NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search Path or Element vulnerability (CWE-428). An authenticated attacker may exploit this vulnerability to execute arbitrary code with SYSTEM privileges.

8.4 CVSS 4.0 High EPSS 0.20% · top 91.4% CWE-428 · Unquoted search path Deferred

8.4CVSS 4.0 base score

0.20%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

28 Aug 2026Last modified by NVD

Description

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/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:

References

Link	Tags
https://jvn.jp/en/jp/JVN28045338/
https://www.istinc.co.jp/dl/jpc/%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%81%AE%E5%AE%9F%E8%A1%8C%E3%83%95%E3%82%A1%E3%82%
https://www.istinc.co.jp/dl/jpc/DLL%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%AE%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF%E3%

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Source: NIST National Vulnerability Database (record CVE-2026-66839), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.