Microsoft Windows Privilege Escalation Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 12, 2018 · Catalog

   Detected

   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.

2. Mar 28, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Apr 18, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe microsoft/windows 10 1607version unspecified
• cpe microsoft/windows 10 1703version unspecified
• cpe microsoft/windows 10 1709version unspecified
• cpe microsoft/windows 10 1803version unspecified
• cpe microsoft/windows 7version unspecified
• cpe microsoft/windows 8.1version unspecified
• cpe microsoft/windows rt 8.1version unspecified
• cpe microsoft/windows server 2008version unspecified
• vendor Microsoft Windowsversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2018-8440

  An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).

  cisa.gov
• CVE.orgVulnerability recordCVE-2018-8440

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2018-8440

  30-day exploitation probability 18.4%

  first.org
• Metasploit ModulesPublic exploit moduleexploit_windows/local/alpc_taskscheduler

  Public module reference (normal). Module source is not copied into this catalog.

  rapid7.com
• NIST NVDVulnerability recordCVE-2018-8440

  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 Serv

  nvd.nist.gov

References

• Third Party Advisory · securityfocus.com
• Third Party Advisory · securitytracker.com
• Exploit · blog.0patch.com
• Third Party Advisory · blog.0patch.com
• CISA note · nvd.nist.gov
• Patch · portal.msrc.microsoft.com