Windows ALPC Elevation of Privilege Vulnerability
CVE-2018-8440 is fixed in 31 products on 1 platform, first by KB4457131, released September 11, 2018. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 28, 2022, with known ransomware use. Patch Radar priority: Patch now.
<p>An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).</p> <p>An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control over an affected system.</p> <p>The update addresses the vulnerability by correcting how Windows handles calls to ALPC.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Windows 10 for 32-bit Systems | 10240.17976 | KB4457132 | Sep 11, 2018 |
| Windows 10 for x64-based Systems | 10240.17976 | KB4457132 | Sep 11, 2018 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4457145 | Sep 11, 2018 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4457145 | Sep 11, 2018 | |
| Windows 8.1 for 32-bit systems | KB4457129 | Sep 11, 2018 | |
| Windows 8.1 for 32-bit systems | KB4457143 | Sep 11, 2018 | |
| Windows 8.1 for x64-based systems | KB4457129 | Sep 11, 2018 | |
| Windows 8.1 for x64-based systems | KB4457143 | Sep 11, 2018 | |
| Windows RT 8.1 | KB4457129 | Sep 11, 2018 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4457145 | Sep 11, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4457145 | Sep 11, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4457144 | Sep 11, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4457145 | Sep 11, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4457984 | Sep 11, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4458010 | Sep 11, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4457984 | Sep 11, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4458010 | Sep 11, 2018 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4457984 | Sep 11, 2018 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4458010 | Sep 11, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4457984 | Sep 11, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4458010 | Sep 11, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4457984 | Sep 11, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4458010 | Sep 11, 2018 | |
| Windows Server 2012 | KB4457135 | Sep 11, 2018 | |
| Windows Server 2012 | KB4457140 | Sep 11, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4457135 | Sep 11, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4457140 | Sep 11, 2018 | |
| Windows Server 2012 R2 | KB4457129 | Sep 11, 2018 | |
| Windows Server 2012 R2 | KB4457143 | Sep 11, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4457129 | Sep 11, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4457143 | Sep 11, 2018 | |
| Windows Server 2016 | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.285 | KB4457128 | Sep 11, 2018 |