Information disclosure in Microsoft Windows 10
CVE-2018-8434
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Microsoft Windows 10 — versions Version 1607 for x64-based Systems, Version 1703 for x64-based Systems, Version 1709 for x64-based Systems
- Microsoft Windows 10 — versions 1607, 1703, 1709
- Microsoft Windows 10 Servers — versions version 1709 (Server Core Installation), version 1803 (Server Core Installation)
- Microsoft Windows 7 — versions x64-based Systems Service Pack 1
- Microsoft Windows 7
- Microsoft Windows 8.1 — versions x64-based systems
- Microsoft Windows 8.1
- Microsoft Windows Rt 8.1 — versions Windows RT 8.1
- Microsoft Windows Server 2008 — versions x64-based Systems Service Pack 2, x64-based Systems Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2008 — versions sp2
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8434 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/105239 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1041624 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8434?
- CVE-2018-8434 is a medium-severity vulnerability in Microsoft Windows 10, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2018-09-13.
- How severe is CVE-2018-8434?
- Medium severity. CVSS v3 base score is 5.4 out of 10.