Wind River Systems VxWorks up to 26.09 Command Shell privileges management

Summaryinfo

A vulnerability has been found in Wind River Systems VxWorks up to 26.09 and classified as very critical. This impacts an unknown function of the component Command Shell. The manipulation leads to privileges management. This vulnerability is documented as CVE-2026-104018. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Wind River Systems VxWorks up to 26.09. This issue affects an unknown part of the component Command Shell. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An improper privilege management vulnerability (CWE-269) exists in the command shell of Wind River VxWorks 7 all versions up to 26.09. 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. Fixed in 26.09

It is possible to read the advisory at support2.windriver.com. The identification of this vulnerability is CVE-2026-104018 since 10/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/02/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-90976). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Wind River Systems

Name

• VxWorks

Version

• 26.09

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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