6.8med

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 pri…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
6.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
7.2%
percentile 94%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

7.17% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.8CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD2.06.8AV:N/AC:L/Au:S/C:N/I:N/A:C

Affected products

  • Microsoft Windows Server 2012 R2
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2016
  • Microsoft Windows 8.1
  • Microsoft Windows 10
  • Microsoft Windows 10 Servers

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.