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Fencer Intel
high 7.0

CVE-2017-8566 json

Microsoft Windows 1607, 1703, and Windows Server 2016 allows an elevation of privilege vulnerability due to Windows Input Method Editor (IM…

published 2017-07-11 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17516

cvss
7.0
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Microsoft Windows 1607, 1703, and Windows Server 2016 allows an elevation of privilege vulnerability due to Windows Input Method Editor (IME) improperly handling parameters in a method of a DCOM class, aka "Windows IME Elevation of Privilege Vulnerability".

Patch / fix

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Microsoft Corporation Microsoft Windows 1607, 1703, and Windows Server 2016.

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

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.