CVE-2017-8623

Name: CVE-2017-8623
Creator: NVD / NIST
Published: 2017-08-08T21:29:00.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.52%

Last modified Jun 17, 2026

CVE-2017-8623 is a vulnerability of currently unknown severity. Windows Hyper-V in Windows 10 1607, 1703, and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability".. EPSS estimates a 6.52% chance of exploitation in the next 30 days.

Description

Windows Hyper-V in Windows 10 1607, 1703, and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability".

Metrics

EPSS Probability

6.52%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1607
Microsoft	Windows 10	1703
Microsoft	Windows Server 2016	All versions

References

http://www.securityfocus.com/bid/100042Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039104Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623Patch, Vendor Advisory
http://www.securityfocus.com/bid/100042Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039104Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623Patch, Vendor Advisory

Timeline

Published: Aug 8, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8623?

How severe is CVE-2017-8623?

Severity scoring for CVE-2017-8623 is pending analysis. The EPSS model estimates a 6.52% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8623?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8623?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST