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Security News High Severity Nov 12, 2026 Tenable Newest CVEs

CVE-2026-18769 high vulnerability summary

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.

Severity: High

CVE-2026-18769 is a High severity vulnerability notice that security teams should triage for exposure in their own environments.

What to review

The affected area appears to involve A local low privileged attacker can move arbitrary physical memory content via TcRouter.sys because of exposed IOCTL function. Administrators should compare this notice against their asset inventory, dependency list, and externally exposed services.

Recommended action

Confirm whether the affected product or library is present, review vendor guidance, prioritize patching based on internet exposure and severity, and monitor logs for suspicious behavior tied to the affected component.

Credits

This brief is based on information from Tenable Newest CVEs . Please refer to the original source for the complete advisory and vendor-specific guidance.

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