CVE-2018-8120 Microsoft Win32k Privilege Escalation
Attackers can exploit a Win32k memory handling flaw to gain elevated privileges on affected Windows systems.
- Exploited in the wild
- Since 15 Mar 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8120?
CVE-2018-8120 is a high-severity vulnerability in Microsoft Windows 7, published on 9 May 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 in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.
Weakness: CWE-404
Which versions are affected by CVE-2018-8120?
It affects 2 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2008.
How do I fix CVE-2018-8120?
No fix has been published for CVE-2018-8120 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 5 Apr 2022.
Is CVE-2018-8120 being exploited?
Yes. Attackers have exploited CVE-2018-8120 in the wild since at least 15 Mar 2022, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 2 Exploit-DB entries and 10 proofs of concept on GitHub.
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-v82r-2hh9-72g8.