CVE-2018-8589 Microsoft Win32k Privilege Escalation
Attackers can gain elevated privileges on Windows systems by exploiting improper handling of Win32k.sys calls.
- Exploited in the wild
- Since 23 May 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8589?
CVE-2018-8589 is a high-severity vulnerability in Microsoft Windows 7, 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
An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2.
Which versions are affected by CVE-2018-8589?
It affects 2 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2008.
How do I fix CVE-2018-8589?
No fix has been published for CVE-2018-8589 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 13 Jun 2022.
Is CVE-2018-8589 being exploited?
Yes. Attackers have exploited CVE-2018-8589 in the wild since at least 23 May 2022.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-67qx-v8w9-q5x5.