Improper input validation in Microsoft Windows
CVE-2019-0721
A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.121 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.112 · newest: 0.121 · change: +0.009
Affected products
- Microsoft Windows — versions 10 Version 1709 for x64-based Systems, 10 Version 1803 for x64-based Systems, 10 Version 1809 for x64-based Systems
- Microsoft Windows 10 — versions 1709, 1803, 1809
- Microsoft Windows 10 Version 1903 For X64-Based Systems — versions unspecified
- Microsoft Windows Server — versions version 1803 (Core Installation), 2019, 2019 (Core installation)
- Microsoft Windows Server 2016 — versions 1803, 1903
- Microsoft Windows Server 2019
- Microsoft Windows Server, Version 1903 (Server Core Installation) — versions unspecified
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0721 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-0721?
- CVE-2019-0721 is a critical-severity vulnerability in Microsoft Windows, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2019-11-12.
- How severe is CVE-2019-0721?
- Critical severity. CVSS v3 base score is 9.1 out of 10.