CVE-2018-8637 Information disclosure in Windows 10

Medium 5.5 Published Updated

An attacker can exploit a Windows kernel flaw to leak information and bypass KASLR, facilitating further attacks.

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-2018-8637?

CVE-2018-8637 is a medium-severity vulnerability in Microsoft Windows 10, published on 12 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka "Win32k Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.

Which versions are affected by CVE-2018-8637?

It affects 3 products.

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

How do I fix CVE-2018-8637?

No fix has been published for CVE-2018-8637 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8637 being exploited?

There is no known exploitation of CVE-2018-8637 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-92c6-xg29-5j5f.

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