What is CVE-2018-8435?

CVE-2018-8435 is a security advisory published by Microsoft with High severity. EchelonGraph links Microsoft's advisory rather than copying its page; it is at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8435.

Which CVE IDs does CVE-2018-8435 cover?

CVE-2018-8435 covers the following CVE IDs: CVE-2018-8435. Each CVE has its own detail page on EchelonGraph Pulse with its EchelonGraph score.

What is the CVSS v3 score of CVE-2018-8435?

CVE-2018-8435 has a CVSS v3 base score of 4.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2018-8435?

CVE-2018-8435 affects 9 products, including: Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for x64-based Systems; Windows 10 for x64-based Systems; and others — see the full list on the advisory page.

How do I remediate CVE-2018-8435?

Microsoft lists 5 KB articles for CVE-2018-8435: KB4457128, KB4457138, KB4457142, KB4457132, KB4457131. Each is listed on this page with its update type and, where Microsoft gives one, its fixed build; Microsoft's advisory is at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8435.

CVE-2018-8435HighMicrosoft CVSS 4.2CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C

Microsoft security update for CVE-2018-8435 — Windows

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2018

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2018-8435 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8435. This page also shows what EchelonGraph holds for CVE-2018-8435, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products9

Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1709 for x64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 for x64-based Systems
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server, version 1709 (Server Core Installation)
Windows Server, version 1803 (Server Core Installation)

✅ Updates Microsoft lists: 5 KB articles

5 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB article	Update	Fixed build
KB4457128	Security Update	—
KB4457138	Security Update	—
KB4457142	Security Update	—
KB4457132	Security Update	—
KB4457131	Security Update	—

🧭 EchelonGraph on CVE-2018-8435

EchelonGraph score: 4.2 MEDIUM
CISA KEV: Not listed
Fix status: A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

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.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2018-8435, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

🎯 Affected products9

✅ Updates Microsoft lists: 5 KB articles

🧭 EchelonGraph on CVE-2018-8435

🔗 References (6)