CVE-2018-8120

Microsoft Windows Server 2008, Microsoft Windows 7, Microsoft Windows Server 2008 R2

Published 9 May 2018 · updated 13 Aug 2026 · Analyzed

7.0 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 15 Mar 2022, with a remediation deadline of 5 Apr 2022 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

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.

References

www.securityfocus.com/bid/104034 · Broken Link, Third Party Advisory, VDB Entry
www.securitytracker.com/id/1040849 · Broken Link, Third Party Advisory, VDB Entry
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120 · Patch, Vendor Advisory
www.exploit-db.com/exploits/45653/ · Exploit, Third Party Advisory, VDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8120 · US Government Resource