Microsoft Windows Privilege Escalation Vulnerability

ALTO 7.8EXPLOITED (CISA KEV)CVE-2018-8440 · Published 13/09/2018 · updated 17/06/2026

Microsoft Windows Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 28/03/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

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.

References

securityfocus.com/bid/105153 · Third Party Advisory
securitytracker.com/id/1041578 · Third Party Advisory
blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html · Exploit
blog.0patch.com/2018/09/comparing-our-micropatch-with.html · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2018-8440

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