CVE-2019-1044 Windows Secure Kernel Mode Security Feature Bypass Vulnerability

Medium 5.3 Published Updated

A local attacker can bypass Windows Secure Kernel Mode virtual trust levels by running a specially crafted application.

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-2019-1044?

CVE-2019-1044 is a medium-severity vulnerability in Microsoft Windows 10, published on 12 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security feature bypass vulnerability exists when Windows Secure Kernel Mode fails to properly handle objects in memory. To exploit the vulnerability, a locally-authenticated attacker could attempt to run a specially crafted application on a targeted system. An attacker who successfully exploited the vulnerability could violate virtual trust levels (VTL). The update addresses the vulnerability by correcting how Windows Secure Kernel Mode handles objects in memory to properly enforce VTLs.

Which versions are affected by CVE-2019-1044?

It affects 2 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2019.

How do I fix CVE-2019-1044?

No fix has been published for CVE-2019-1044 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1044 being exploited?

There is no known exploitation of CVE-2019-1044 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-7q9v-9pcr-vqfv.

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