CVE-2026-18767
Insufficient IOCTL access control allows local access to I/O ports
Description
A local low privileged attacker or process can access I/O ports via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.
INFO
Published Date :
Nov. 11, 2026, 8:19 a.m.
Last Modified :
Nov. 11, 2026, 8:19 a.m.
Remotely Exploit :
No
Source :
CERTVDE
Affected Products
The following products are affected by CVE-2026-18767
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.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
| CVSS 4.0 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c |
Solution
- Limit direct access to TcRouter.sys.
- Apply vendor-supplied security patches.
- Implement proper access controls.
- Review device I/O port configurations.
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-2026-18767 vulnerability anywhere in the article.