8.5
HIGH CVSS 4.0
CVE-2026-18769
Insufficient IOCTL access control allows local relocation of arbitrary physical memory
Description

A local low privileged attacker can move arbitrary physical memory content via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.

INFO

Published Date :

Nov. 11, 2026, 8:20 a.m.

Last Modified :

Nov. 11, 2026, 8:20 a.m.

Remotely Exploit :

No

Source :

CERTVDE
Affected Products

The following products are affected by CVE-2026-18769 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
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 3.1 HIGH 270ccfa6-a436-4e77-922e-914ec3a9685c
CVSS 4.0 HIGH 270ccfa6-a436-4e77-922e-914ec3a9685c
Solution
Address IOCTL vulnerabilities in TcRouter.sys to prevent arbitrary memory manipulation and system compromise.
  • Update the TcRouter.sys driver to the latest secure version.
  • Apply vendor patches for identified IOCTL vulnerabilities.
  • Restrict access to sensitive system drivers.
  • Review and sanitize all IOCTL handler inputs.

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-2026-18769 vulnerability anywhere in the article.

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.