CVE-2017-8593 Privilege escalation in Windows Kernel-Mode Drivers

High 7.0 Published Updated

An attacker can exploit improper memory handling in the Win32k component to elevate privileges on affected Windows 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-2017-8593?

CVE-2017-8593 is a high-severity vulnerability in Microsoft Windows 10, published on 8 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Microsoft Win32k in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation of privilege vulnerability when it fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability".

Weakness: CWE-281

Which versions are affected by CVE-2017-8593?

It affects 7 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 1 more.

How do I fix CVE-2017-8593?

No fix has been published for CVE-2017-8593 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-8593 being exploited?

There is no known exploitation of CVE-2017-8593 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-3mwh-p3hq-rrh2.

Is CVE-2017-8593 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free