Improper input validation in Microsoft Windows 10

CVE-2020-16891

<p>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. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.</p> <p>An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.</p> <p>The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.</p>

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-16891?
CVE-2020-16891 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2020-10-16.
How severe is CVE-2020-16891?
High severity. CVSS v3 base score is 8.8 out of 10.