High severity7.8CISA KEVNVD Advisory· Published Sep 13, 2018· Updated Jun 17, 2026
CVE-2018-8440
CVE-2018-8440
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13(expand)+ 1 more
- (no CPE)
- (no CPE)range: (Server Core installation)
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 32-bit Systems
- Range: version 1709 (Server Core Installation)
- Range: 32-bit systems
- Range: Windows RT 8.1
32-bit Systems Service Pack 2+ 1 more
- (no CPE)range: 32-bit Systems Service Pack 2
- (no CPE)range: Itanium-Based Systems Service Pack 1
(Server Core installation)+ 1 more
- (no CPE)range: (Server Core installation)
- (no CPE)range: (Server Core installation)
Patches
Vulnerability mechanics
References
6- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440nvdPatchVendor Advisory
- blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.htmlnvdExploitPatchThird Party Advisory
- www.securityfocus.com/bid/105153nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041578nvdThird Party AdvisoryVDB Entry
- blog.0patch.com/2018/09/comparing-our-micropatch-with.htmlnvdThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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