CVE-2017-8623

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Published 2017-08-08 · Modified 2026-05-13

CVSS v3

6.8

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CVSS v2

6.8

VIR risk

6.8

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".

Predictions

Exploit likelihood

77%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623

OS impact

OS	Version	Status
windows	1607	affected
windows	1703	affected
windows		affected

References

http://www.securityfocus.com/bid/100042
http://www.securitytracker.com/id/1039104
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623
http://www.securityfocus.com/bid/100042
http://www.securitytracker.com/id/1039104
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.