Sep 2018:
CVE-2018-8440 Published on September 13, 2018
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.
Known Exploited Vulnerability
This Microsoft Windows Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).
The following remediation steps are recommended / required by April 18, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2018-8440 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2018-8440
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Affected Versions
Microsoft Windows 7:- Version 32-bit Systems Service Pack 1 is affected.
- Version x64-based Systems Service Pack 1 is affected.
- Version (Server Core installation) is affected.
- Version Windows RT 8.1 is affected.
- Version 32-bit Systems Service Pack 2 is affected.
- Version 32-bit Systems Service Pack 2 (Server Core installation) is affected.
- Version Itanium-Based Systems Service Pack 2 is affected.
- Version x64-based Systems Service Pack 2 is affected.
- Version x64-based Systems Service Pack 2 (Server Core installation) is affected.
- Version (Server Core installation) is affected.
- Version 32-bit systems is affected.
- Version x64-based systems is affected.
- Version (Server Core installation) is affected.
- Version Itanium-Based Systems Service Pack 1 is affected.
- Version x64-based Systems Service Pack 1 is affected.
- Version x64-based Systems Service Pack 1 (Server Core installation) is affected.
- Version 32-bit Systems is affected.
- Version Version 1607 for 32-bit Systems is affected.
- Version Version 1607 for x64-based Systems is affected.
- Version Version 1703 for 32-bit Systems is affected.
- Version Version 1703 for x64-based Systems is affected.
- Version Version 1709 for 32-bit Systems is affected.
- Version Version 1709 for x64-based Systems is affected.
- Version Version 1803 for 32-bit Systems is affected.
- Version Version 1803 for x64-based Systems is affected.
- Version x64-based Systems is affected.
- Version version 1709 (Server Core Installation) is affected.
- Version version 1803 (Server Core Installation) is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.