CVE-2026-104018 VxWorks 7 improper privilege management
Authenticated users can bypass command privilege checks in VxWorks 7 shell to execute unauthorized commands, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104018?
CVE-2026-104018 is a high-severity vulnerability in Wind River Systems Inc VxWorks 7, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An improper privilege management vulnerability (CWE-269) exists in the command shell of Wind River VxWorks 7 when configured to enforce per-user command privileges. Under certain shell operations, a command may be evaluated without the privilege check that is normally applied, allowing an authenticated user with limited privileges to execute commands they are not authorized to run. Successful exploitation can result in privilege escalation, with impact to the confidentiality, integrity, and availability of the affected device. The issue affects all versions of VxWorks 7 prior to 26.09. It has been fixed in 26.09.
Weakness: CWE-269
Which versions are affected by CVE-2026-104018?
How do I fix CVE-2026-104018?
No fix has been published for CVE-2026-104018 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-104018 being exploited?
There is no known exploitation of CVE-2026-104018 in the wild and no public exploit code.
Sources
Also known as GHSA-fjrv-5j96-cvhx.