National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-8440 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105153 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041578 Third Party Advisory VDB Entry
https://blog.0patch.com/2018/08/how-we-micropatched-publicly-dropped.html Exploit Patch Third Party Advisory
https://blog.0patch.com/2018/09/comparing-our-micropatch-with.html Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440 Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:microsoft:windows_10:-
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_10:1607
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_10:1703
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_10:1709
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_10:1803
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_7:-:sp1
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_8.1:-
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_rt_8.1:-
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2008:-:sp2
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2008:r2:sp1
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2012:-
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2012:r2
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2016:-
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2016:1709
     Show Matching CPE(s)
 cpe:/o:microsoft:windows_server_2016:1803
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-8440
NVD Published Date:
09/12/2018
NVD Last Modified:
11/29/2018