6.8

CVE-2018-8438: microsoft windows_10 Improper Input Validation

CVSS: 6.8v3.0MediumModified
Published 13-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8438 is a medium (CVSS 6.8) Improper Input Validation vulnerability in microsoft windows_10. EPSS estimates a 7.17% chance of exploitation in the next 30 days, higher than 94.2% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.0 (NVD)
EPSS score
7.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

7.17%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 7.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
7.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft7 products
  • windows_1032-bit Systems | Version 1607 for 32-bit Systems | Version 1607 for x64-based Systems | Version 1703 for 32-bit Systems | Version 1703 for x64-based Systems | Version 1709 for 32-bit Systems | Version 1709 for x64-based Systems | Version 1803 for 32-bit Systems | Version 1803 for x64-based Systems | x64-based Systems | na | 1607 | 1709 | 1803
  • windows 10 serversversion 1709 (Server Core Installation) | version 1803 (Server Core Installation)
  • windows_8.132-bit systems | x64-based systems | na
  • windows_rt_8.1Windows RT 8.1
  • windows_server2012:r2

1 vendor · 7 products

References

3 links