Rapid7

vulnerability

Microsoft Windows: CVE-2020-0834: Windows ALPC Elevation of Privilege Vulnerability

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Mar 10, 2020
Added
Mar 10, 2020
Modified
Sep 5, 2025

Description

An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system, aka 'Windows ALPC Elevation of Privilege Vulnerability'.

Solutions

microsoft-windows-windows_10-1507-kb4540693microsoft-windows-windows_10-1607-kb4540670microsoft-windows-windows_10-1709-kb4540681microsoft-windows-windows_10-1803-kb4540689microsoft-windows-windows_10-1809-kb4538461microsoft-windows-windows_10-1903-kb4540673microsoft-windows-windows_10-1909-kb4540673microsoft-windows-windows_server_2012_r2-kb4541505microsoft-windows-windows_server_2016-1607-kb4540670microsoft-windows-windows_server_2019-1809-kb4538461msft-kb4540673-27a7325b-a765-4956-ab15-a19091b61221msft-kb4540673-c13c3539-3ef4-481b-a305-d44fe74d2165msft-kb4541505-823cc33f-f5a7-46f1-b525-2d93e9833273msft-kb4541505-e9e0fe16-c0c8-4a45-8696-f1746572cf0c
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.