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CVE-2018-8440

UNKNOWN
Published 2018-09-13T00:00:00.000Z
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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.965
probability
of exploitation in the wild

There is a 96.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.997
Higher than 99.7% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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 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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Microsoft

Windows 7

Affected Versions:

32-bit Systems Service Pack 1 x64-based Systems Service Pack 1
Microsoft

Windows Server 2012 R2

Affected Versions:

(Server Core installation)
Microsoft

Windows RT 8.1

Affected Versions:

Windows RT 8.1
Microsoft

Windows Server 2008

Affected Versions:

32-bit Systems Service Pack 2 32-bit Systems Service Pack 2 (Server Core installation) Itanium-Based Systems Service Pack 2 x64-based Systems Service Pack 2 x64-based Systems Service Pack 2 (Server Core installation)
Microsoft

Windows Server 2012

Affected Versions:

(Server Core installation)
Microsoft

Windows 8.1

Affected Versions:

32-bit systems x64-based systems
Microsoft

Windows Server 2016

Affected Versions:

(Server Core installation)
Microsoft

Windows Server 2008 R2

Affected Versions:

Itanium-Based Systems Service Pack 1 x64-based Systems Service Pack 1 x64-based Systems Service Pack 1 (Server Core installation)
Microsoft

Windows 10

Affected Versions:

32-bit Systems Version 1607 for 32-bit Systems Version 1607 for x64-based Systems Version 1703 for 32-bit Systems Version 1703 for x64-based Systems Version 1709 for 32-bit Systems Version 1709 for x64-based Systems Version 1803 for 32-bit Systems Version 1803 for x64-based Systems x64-based Systems
Microsoft

Windows 10 Servers

Affected Versions:

version 1709 (Server Core Installation) version 1803 (Server Core Installation)

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

April 18, 2022

Added to KEV

March 28, 2022

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Microsoft
Product: Windows

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-jw7v-w46m-p6pp

Advisory Details

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 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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-8440
WEB https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html
WEB https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html
WEB https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440
WEB http://www.securityfocus.com/bid/105153
WEB http://www.securitytracker.com/id/1041578

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440
https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html
https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html
http://www.securitytracker.com/id/1041578
http://www.securityfocus.com/bid/105153
Published: 2018-09-13T00:00:00.000Z
Last Modified: 2025-02-07T16:38:18.404Z
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