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Fencer Vulns
high 7.6

CVE-2018-0959 json

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated u…

published 2018-05-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1738

cvss
7.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.8%
EPSS 9.8% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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 "Hyper-V Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Patch / fix

Exploit prediction

9.80% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.6 CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 7.4 AV:A/AC:M/Au:S/C:C/I:C/A:C

Affected products

  • Microsoft Windows 7
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2012
  • Microsoft Windows 8.1
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows 10
  • Microsoft Windows 10 Servers

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns 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.