VULNERABILITY INTELLIGENCE
CVE-2018-8438
CVSS score6.8 MEDIUM
EPSS probability7.17%
CISA KEVNot currently listed
Published2018-09-13
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Description
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8437.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- secure@microsoft.com — Third Party Advisory, VDB Entry
- secure@microsoft.com — Third Party Advisory, VDB Entry
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory