Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | - |
| Microsoft | Windows 10 1703 | - |
| Microsoft | Windows 10 1709 | - |
| Microsoft | Windows 10 1803 | - |
| Microsoft | Windows 7 | - |
| Microsoft | Windows 8.1 | - |
| Microsoft | Windows Rt 8.1 | - |
| Microsoft | Windows Server 2008 | - |
| Microsoft | Windows Server 2012 | - |
| Microsoft | Windows Server 2016 | - |
References
- http://www.securityfocus.com/bid/105153Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041578Third Party AdvisoryVDB Entry
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.htmlExploitPatchThird Party Advisory
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.htmlThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440PatchVendor Advisory
- http://www.securityfocus.com/bid/105153Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041578Third Party AdvisoryVDB Entry
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.htmlExploitPatchThird Party Advisory
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.htmlThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-US Government Resource
FAQ
What is CVE-2018-8440?
CVE-2018-8440 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 Wind...
How severe is CVE-2018-8440?
CVE-2018-8440 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-8440?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1607, Microsoft Windows 10 1703, Microsoft Windows 10 1709, Microsoft Windows 10 1803, Microsoft Windows 7.