4.2

CVE-2018-8435: microsoft windows_10 Insufficient Entropy

CVSS: 4.2v3.0MediumModified
Published 13-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8435 is a medium (CVSS 4.2) Insufficient Entropy vulnerability in microsoft windows_10. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.5% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.2/10
010
Medium · v3.0 (NVD)
EPSS score
1.36%
0%100%
Low · -0.03 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 security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source, aka "Windows Hyper-V Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

-0.03 pp

From 1.39% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.36%

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

Microsoft3 products
  • windows_10Version 1607 for x64-based Systems | Version 1703 for x64-based Systems | Version 1709 for x64-based Systems | Version 1803 for x64-based Systems | x64-based Systems | na | 1607 | 1703 | 1709 | 1803
  • windows 10 serversversion 1709 (Server Core Installation) | version 1803 (Server Core Installation)
  • windows_server_2016(Server Core installation) | na | 1709 | 1803

1 vendor · 3 products

References

3 links