CVE-2018-8438
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…
Does this matter?
Lower severity and a low EPSS score (7.17%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 7.17% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/windows 10 · microsoft/windows 8.1 · microsoft/windows server · microsoft/windows server 2016
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/105249Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041624Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105249Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041624Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.