CVE-2018-8439CriticalMicrosoft CVSS 7.6CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C

Microsoft security update for CVE-2018-8439 — Windows

Published
September 11, 2018
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2018-8439 →

📋 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-2018-8439. This page also shows what EchelonGraph holds for CVE-2018-8439, 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 products13

  • 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 8.1 for x64-based systems
  • Windows RT 8.1
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • 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: 7 KB articles

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

KB articleUpdateFixed build
KB4457138Security Update—
KB4457128Security Update—
KB4457142Security Update—
KB4457132Security Update—
KB4457131Security Update—
KB4457129Monthly Rollup—
KB4457143Security Only—

🧭 EchelonGraph on CVE-2018-8439

EchelonGraph score
8.4 HIGH
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 remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution 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-2018-0965.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2018-8439, 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).

🔗 References (8)