CVE-2019-1378 Privilege escalation in Windows Update Assistant

High 7.8 Published Updated

A local attacker can exploit improper permission handling in Windows Update Assistant to execute arbitrary code with elevated system privileges.

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-2019-1378?

CVE-2019-1378 is a high-severity vulnerability in Microsoft Windows Update Assistant, published on 10 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An elevation of privilege vulnerability exists in Windows 10 Update Assistant in the way it handles permissions.A locally authenticated attacker could run arbitrary code with elevated system privileges, aka 'Windows 10 Update Assistant Elevation of Privilege Vulnerability'.

Weakness: CWE-732

Which versions are affected by CVE-2019-1378?

It affects 1 product.

Products include Microsoft Windows 10 Update Assistant.

How do I fix CVE-2019-1378?

No fix has been published for CVE-2019-1378 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1378 being exploited?

There is no known exploitation of CVE-2019-1378 in the wild and no public exploit code.

Sources

Also known as GHSA-pj9q-rwff-m7f4.

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