CVE-2018-8436Improper Input Validation in Microsoft Windows 10

Severity
6.2MEDIUMNVD
EPSS
0.3%
top 45.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 13
Latest updateMay 14

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 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.7 | Impact: 4.0

Affected Packages8 packages

CVEListV5microsoft/windows_10_serversversion 1709 (Server Core Installation), version 1803 (Server Core Installation)+1
CVEListV5microsoft/windows_server_2016(Server Core installation)
CVEListV5microsoft/windows_server_2012_r2(Server Core installation)
CVEListV5microsoft/windows_1010 versions+9

Patches

🔴Vulnerability Details

2
GHSA
GHSA-r8cq-hqqc-2p5f: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use2022-05-14
CVEList
CVE-2018-8436: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use2018-09-13

📋Vendor Advisories

1
Microsoft
Windows Hyper-V Denial of Service Vulnerability2018-09-11
CVE-2018-8436 — Improper Input Validation in Microsoft | cvebase