CVE-2018-8440 KEV
7.8
HIGH · CVSS 3.1 · EPSS 18.4% (pctl 97)
Patch first
On CISA KEV — known exploited in the wild, due 2022-04-18.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 18.39% — more likely to be exploited than 97% of all CVEs |
| On CISA KEV | yes — remediate by 2022-04-18 |
| Public exploit | none known |
| Published | 2018-09-13 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Windows Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-03-28 |
| Due | 2022-04-18 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | known |
Affected (10)
| Vendor | Product |
|---|---|
| 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/105153
- http://www.securitytracker.com/id/1041578
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440
- http://www.securityfocus.com/bid/105153
- http://www.securitytracker.com/id/1041578
- https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html
- https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8440
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