CVE-2026-66839 Privilege escalation in NetKids iMark
An authenticated attacker can execute arbitrary code with SYSTEM privileges via an unquoted search path vulnerability in NetKids iMark.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66839?
CVE-2026-66839 is a high-severity vulnerability in Integrated Systems Technologies, Inc. NetKids iMark, published on 5 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-428
Which versions are affected by CVE-2026-66839?
How do I fix CVE-2026-66839?
No fix has been published for CVE-2026-66839 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66839 being exploited?
There is no known exploitation of CVE-2026-66839 in the wild and no public exploit code.
Sources
Also known as GHSA-gwvf-28g3-g437.