CVE-2018-8434
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure Vulnerability." This…
Does this matter?
Lower severity and a low EPSS score (3.49%). Track it; it rarely justifies an emergency change on its own.
Description
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure 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 3.0
- 5.4 MEDIUMCVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 3.49% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-200
- Affected
- microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/105239Third 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-2018-8434Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105239Third 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-2018-8434Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.