CVE-2018-8434

MEDIUM

Windows Hyper-V - Information Disclosure via Improper Input Validation

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105239
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041624

Scores

CVSS v3 5.4
EPSS 0.0349
EPSS Percentile 87.7%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Details

CWE
CWE-20 CWE-200
Status published
Products (13)
microsoft/windows_10
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_7
microsoft/windows_8.1 (2 CPE variants)
microsoft/windows_server_2008 sp2
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
... and 3 more
Published Sep 13, 2018
Tracked Since Feb 18, 2026