CVE-2018-8611
Published 2018-12-12 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2018-8611 is a high-severity (CVSS 7.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on May 24, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 14, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →Description
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Windows
Name: Microsoft Windows Kernel Privilege Escalation Vulnerability
Date added: 2022-05-24 · Due: 2022-06-14
Required action: Apply updates per vendor instructions.
References
- http://www.securityfocus.com/bid/106082
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8611
- http://www.securityfocus.com/bid/106082
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8611
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8611