CVE-2018-8440
Summary
| CVE | CVE-2018-8440 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-09-13 00:29:00 UTC |
| Updated | 2019-10-03 00:03:00 UTC |
| 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. |
Risk And Classification
EPSS: 0.185300000 probability, percentile 0.968890000 (date 2026-06-26)
CISA KEV: Listed on 2022-03-28; due 2022-04-18; ransomware use Known
Problem Types: NVD-CWE-noinfo
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Windows |
| Name | Microsoft Windows Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2018-8440 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 10 | - | All | All | All |
| Operating System | Microsoft | Windows 10 | 1607 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1703 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1709 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1803 | All | All | All |
| Operating System | Microsoft | Windows 10 | - | All | All | All |
| Operating System | Microsoft | Windows 10 | 1607 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1703 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1709 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1803 | All | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1709 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1803 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1709 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1803 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 0patch Blog: Comparing Our Micropatch With Microsoft's Official Patch For CVE-2018-8440 | MISC | blog.0patch.com | Third Party Advisory |
| Microsoft Windows Task Scheduler ALPC Interface Local Privilege Escalation Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 0patch Blog: How We Micropatched a Publicly Dropped 0day in Task Scheduler (CVE-2018-8440) | MISC | blog.0patch.com | Exploit, Patch, Third Party Advisory |
| portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440 | CONFIRM | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| Microsoft Windows ALPC Access Control Flaw Lets Local Users Obtain System Privileges - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.