Windows Hyper-V
CVE-2019-1470 — Windows Hyper-V Information Disclosure Vulnerability
Executive Summary
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. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information. An attacker who successfully exploited the vulnerability could gain access to information on the Hyper-V host operating system. The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.
Overview
6
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
High
USER INTERACTION
None
SCOPE
Changed
Temporal Score: 5.4
EPSS Score
0.06414
probability of exploitation in the next 30 days
0.92809 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
24 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for x64-based Systems | 4530681 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1607 for x64-based Systems | 4530689 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1709 for x64-based Systems | 4530714 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1803 for x64-based Systems | 4530717 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1809 for x64-based Systems | 4530715 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1903 for x64-based Systems | 4530684 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1909 for x64-based Systems | 4530684 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 4530734 (Monthly Rollup) 4530692 (Security Only) |
Important | Information Disclosure | Yes |
| Windows 8.1 for x64-based systems | 4530702 (Monthly Rollup) 4530730 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 4530695 (Monthly Rollup) 4530719 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 4530695 (Monthly Rollup) 4530719 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4530734 (Monthly Rollup) 4530692 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4530734 (Monthly Rollup) 4530692 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2012 | 4530691 (Monthly Rollup) 4530698 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2012 (Server Core installation) | 4530691 (Monthly Rollup) 4530698 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2012 R2 | 4530702 (Monthly Rollup) 4530730 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2012 R2 (Server Core installation) | 4530702 (Monthly Rollup) 4530730 (Security Only) |
Important | Information Disclosure | Yes |
| Windows Server 2016 | 4530689 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2016 (Server Core installation) | 4530689 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 | 4530715 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 (Server Core installation) | 4530715 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server, version 1803 (Server Core Installation) | 4530717 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server, version 1903 (Server Core installation) | 4530684 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server, version 1909 (Server Core installation) | 4530684 (Security Update) |
Important | Information Disclosure | Yes |
Patches
10 patches
| Article | Type | Restart |
|---|---|---|
4530681 |
Security Update | Yes |
4530689 |
Security Update | Yes |
4530714 |
Security Update | Yes |
4530717 |
Security Update | Yes |
4530715 |
Security Update | Yes |
4530684 |
Security Update | Yes |
4530734 (Monthly Rollup) 4530692 |
Monthly Rollup | Yes |
4530702 (Monthly Rollup) 4530730 |
Monthly Rollup | Yes |
4530695 (Monthly Rollup) 4530719 |
Monthly Rollup | Yes |
4530691 (Monthly Rollup) 4530698 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
ChenNan of Tencent ZhanluLab
References
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