CVE-2018-8417 Security feature bypass in Windows 10

Medium 5.3 Published Updated

An attacker can bypass Device Guard security features in Microsoft JScript on Windows operating systems.

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-2018-8417?

CVE-2018-8417 is a medium-severity vulnerability in Microsoft Windows 10, published on 14 Nov 2018. 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 in Microsoft JScript that could allow an attacker to bypass Device Guard, aka "Microsoft JScript Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

Which versions are affected by CVE-2018-8417?

It affects 3 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2018-8417?

No fix has been published for CVE-2018-8417 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8417 being exploited?

There is no known exploitation of CVE-2018-8417 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-v9q5-95vx-2g47.

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