CVE-2026-18768
Insufficient IOCTL access control allows local access to arbitrary physical memory
Description
A local low privileged attacker can access arbitrary physical memory or define its mapping 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-2026-18768
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
- Restrict access to IOCTL functions in TcRouter.sys.
- Review and sanitize input for IOCTL calls.
- Implement proper memory mapping controls.
- Apply vendor patches for TcRouter.sys.
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-2026-18768 vulnerability anywhere in the article.