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CVE-2019-0965

Windows Hyper-V Remote Code Execution Vulnerability

7.6 High

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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.25%Down 8.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.6

Windows Hyper-V Remote Code Execution Vulnerability

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.

Record
CVE-2019-0965
CVSS 3.1
7.6 HighCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2019-1700 7.6

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.

Record
EUVD-2019-1700
CVSS 3.1
7.6 HighCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Updated
2026-11-03
GitHub AdvisoriesGHSA-3g6c-p7w8-74fv 8.4

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to...

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, aka 'Windows Hyper-V Remote Code Execution Vulnerability'.

Record
GHSA-3g6c-p7w8-74fv
CVSS 3.0
8.4 HighCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
NVD 7.6

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.

Record
CVE-2019-0965
CVSS 3.1
7.6 HighCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
7.7 HighAV:A/AC:L/Au:S/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-0965 is a high vulnerability (CVSS 7.6) in Microsoft Windows 10 Version 1709, published August 14, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.

References

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