SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8584

An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,…

EXPLOIT ✓HIGH 7.8EPSS 2.70%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.70% probability · 86th percentile
Public exploits
1 in Exploit-DB · verified · first 9 January 2019
CISA KEV
Not listed
Weakness
CWE-367
Affected
microsoft/windows 10 · microsoft/windows server 2016 · microsoft/windows server 2019
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 2.70%27 October 202627 October 2026

EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-46104source ↗Microsoft Windows - DSSVC CheckFilePermission Arbitrary File Deletionwindows · Google Security Researchlocal9 January 2019yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.