CVE-2026-66839

NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search...

8.4 High

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.20%Up 0.1 points since Aug 5, 2026

What each source reports

CVE List Score used 8.4

Record: CVE-2026-66839
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-428
Updated: 2026-11-02

EUVDEUVD-2026-53044 8.4

Record: EUVD-2026-53044
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-gwvf-28g3-g437 8.4

NetKids iMark, provided by Integrated Systems Technologies, Inc., contains an Unquoted Search...

Record: GHSA-gwvf-28g3-g437
CVSS 4.0: 8.4 HighCVSS: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:X/V:X/RE:X/U:X
CVSS 3.0: 6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-428
Updated: 2026-11-02

NVD 8.4

Record: CVE-2026-66839
CVSS 4.0: 8.4 HighCVSS: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:X/V:X/RE:X/U:X
CVSS 3.0: 6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-428
Updated: 2026-11-02

Affected products

integrated systems technologies, inc. netkids imark

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-66839 is a high vulnerability (CVSS 8.4) in Integrated Systems Technologies, Inc. Netkids Imark, published August 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.