Actively exploited in the wild
Microsoft Windows Privilege Escalation Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2022-03-28. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2018-8440
HighCVSS 7.8KEVSummary
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Risk Assessment
A local attacker could elevate privileges to administrator level, enabling full control over the system.
Recommendation
Install the Microsoft security updates for the listed Windows versions as soon as possible.
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Original NVD description (English source)
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.