CVE-2019-0620: microsoft windows_10 Improper Input Validation

Vulnerability summary

CVE-2019-0620 is a high (CVSS 8.4) Improper Input Validation vulnerability in microsoft windows_10. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 72.8% of scored vulnerabilities.

Timeline

1. 12-06-2019
   PublishedVulnerability first disclosed.
2. 20-05-2025
   Last modifiedVulnerability information updated.

Description

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. An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system. The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.