CVE-2026-18768: Insufficient IOCTL access control allows local access to arbitrary physical memory
Beckhoff Automation · TcRouter.sys for Windows on x64 3.1.0.2364
Vendor fix available · Affected: Beckhoff Automation TcRouter.sys for Windows on x64 3.1.0.2364 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 3% of scored CVEs
DescriptionCVE.org
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.
Affected products6
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Beckhoff Automation · TcRouter.sys for Windows on x64 3.1.0.23643.1.0.2364
- Beckhoff Automation · TcRouter.sys for Windows on x64 <3.1.0.2365from 1.0.0 before 3.1.0.2365
- Beckhoff Automation · TcRouter.sys for Windows on x86 3.1.0.23643.1.0.2364
- Beckhoff Automation · TcRouter.sys for Windows on x86 <3.1.0.2365from 1.0.0 before 3.1.0.2365
- Beckhoff Automation · TwinCAT.XAR.Base.KM 3.16.293.16.29
- Beckhoff Automation · TwinCAT.XAR.Base.KM <3.18.1from 1.0.0 before 3.18.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Beckhoff Automation
- Published
- November 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-18768 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.