CVE-2018-8120
Microsoft Win32k Privilege Escalation Vulnerability
- Published
- May 9, 2018
- Updated
- Aug 13, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Oct 22, 2018
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.5%
- Model date
- Oct 13, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
modules/exploits/windows/local/ms18_8120_win32k_privesc.rb
Metasploit Framework modulesDeclared conditions
- platform: Windows($.exploit_windows/local/ms18_8120_win32k_privesc.platform)
- verification: check_not_declared($.exploit_windows/local/ms18_8120_win32k_privesc.check)
- CVE-2018-8120Exploit
CVE-2018-8120 Exploit for Win2003 Win2008 WinXP Win7
Responsible use
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