CVE-2026-30769 Privilege escalation in n/a

High 7.8 Published 29 Apr 2026 Updated 29 Apr 2026

Attackers can escalate privileges on Windows systems by sending crafted IOCTL requests to the TVicPort64.sys kernel driver.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-30769?

CVE-2026-30769 is a high-severity vulnerability in n/a, published on 29 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue in the TVicPort64.sys component of EnTech Taiwan TVicPort Product v4.0, File v5.2.1.0 allows attackers to escalate privileges via sending crafted IOCTL 0x80002008 requests.

Weakness: CWE-269, CWE-20

Which versions are affected by CVE-2026-30769?

It affects 1 product.

Products include Entechtaiwan Tvicport.

How do I fix CVE-2026-30769?

No fix has been published for CVE-2026-30769 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-30769 being exploited?

There is no known exploitation of CVE-2026-30769 in the wild and no public exploit code.

Sources

Also known as GHSA-cc7p-493w-fgh9.