CVE-2017-0186 json
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012, W…
published 2017-04-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0553
- cvss
- 5.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.6%
- EPSS 4.6% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, or Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0178, CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, and CVE-2017-0185.
Patch / fix
Exploit prediction
4.55% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.8 | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 6.3 | AV:N/AC:M/Au:S/C:N/I:N/A:C |
Affected products
- Microsoft Corporation Hyper-V
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-0186
mitigation, patch, vendor-advisory
-
securityfocus.com
/bid/97438
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-0186
- NVD CVE-2017-0186
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.