5.5
MEDIUM CVSS 3.1
CVE-2026-97686
VxWorks 7 Memory Resource leak
Description

Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the IPNET subsystem failing to properly release allocated kernel memory and system file descriptors before terminating the calling application. Fixed in Version 26.09.  Security Researcher: Zhi Yang Bingren Wu Finding

INFO

Published Date :

Sept. 28, 2026, 7:16 p.m.

Last Modified :

Sept. 28, 2026, 8:47 p.m.

Remotely Exploit :

No

Source :

0bf9931a-6ebf-4f48-bd14-39ee5e1d61f8
Affected Products

The following products are affected by CVE-2026-97686 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Windriver vxworks
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 0bf9931a-6ebf-4f48-bd14-39ee5e1d61f8
Solution
Apply the vendor-released update to address the kernel memory and file descriptor release issue.
  • Update to VxWorks version 26.09 or later.
  • Ensure proper system call argument validation.
  • Monitor system resources for leaks.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-97686.

URL Resource
https://support2.windriver.com/index.php?page=cve&order_by=cve_modified_date&order_way=asc#list
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-97686 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-97686 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-97686 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-97686 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 28, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-97686', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-28T19:25:35.769605Z'}
  • New CVE Received by 0bf9931a-6ebf-4f48-bd14-39ee5e1d61f8

    Sep. 28, 2026

    Action Type Old Value New Value
    Added Description Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the IPNET subsystem failing to properly release allocated kernel memory and system file descriptors before terminating the calling application. Fixed in Version 26.09.  Security Researcher: Zhi Yang Bingren Wu Finding
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-772
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/97xxx/CVE-2026-97686.json">CVE-2026-97686</a>
    Added Reference https://support2.windriver.com/index.php?page=cve&order_by=cve_modified_date&order_way=asc#list
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.