Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an ele…

published 2017-10-13 9y ago modified 2026-06-17 4mo ago also EUVD-2017-3391

cvss: 7.0; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation of privilege vulnerability in the way it handles calls to Advanced Local Procedure Call (ALPC), aka "Windows Elevation of Privilege Vulnerability".

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11783 advisory

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Exploit prediction

2.50% chance of exploitation in the next 30 days, higher than 84% 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	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

Microsoft Corporation Windows

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2017-11783
patch, vendor-advisory
securitytracker.com /id/1039526
vdb-entry, third-party-advisory
securityfocus.com /bid/101144
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-11783
NVD CVE-2017-11783

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