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URL: https://nvd.nist.gov/vuln/detail/CVE-2018-8174

⇱ NVD - CVE-2018-8174

  1. Vulnerabilities

CVE-2018-8174 Detail

Description

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution 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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.securityfocus.com/bid/103998 CVE, Microsoft Corporation Third Party Advisory  VDB Entry 
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html CVE, Microsoft Corporation Exploit  Technical Description  Third Party Advisory 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174 CVE, Microsoft Corporation Patch  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174 CISA-ADP US Government Resource 
https://www.exploit-db.com/exploits/44741/ CVE, Microsoft Corporation Exploit  Third Party Advisory  VDB Entry 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability 02/15/2022 08/15/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write 👁 cwe source acceptance level
NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

16 change records found show changes

CVE Modified by CISA-ADP 6/16/2026 10:04:24 PM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2025-02-07T16:26:20.880836Z","id":"CVE-2018-8174","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Microsoft Corporation 6/16/2026 10:04:24 PM

Action Type Old Value New Value
Added Affected Record truncated, showing 2048 of 2528 characters.
View Entire Change Record
[{"vendor":"Microsoft","product":"Windows 7","versions":[{"version":"32-bit Systems Service Pack 1","status":"affected"},{"version":"x64-based Systems Service Pack 1","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012 R2","versions":[{"version":"(Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows RT 8.1","versions":[{"version":"Windows RT 8.1","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008","versions":[{"version":"32-bit Systems Service Pack 2","status":"affected"},{"version":"32-bit Systems Service Pack 2 (Server Core installation)","status":"affected"},{"version":"Itanium-Based Systems Service Pack 2","status":"affected"},{"version":"x64-based Systems Service Pack 2","status":"affected"},{"version":"x64-based Systems Service Pack 2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012","versions":[{"version":"(Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 8.1","versions":[{"version":"32-bit systems","status":"affected"},{"version":"x64-based systems","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2016","versions":[{"version":"(Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008 R2","versions":[{"version":"Itanium-Based Systems Service Pack 1","status":"affected"},{"version":"x64-based Systems Service Pack 1","status":"affected"},{"version":"x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10","versions":[{"version":"32-bit Systems","status":"affected"},{"version":"Version 1607 for 32-bit Systems","status":"affected"},{"version":"Version 1607 for x64-based Systems","status":"affected"},{"version":"Version 1703 for 32-bit Systems","status":"affected"},{"version":"Version 1703 for x64-based Systems","status":"affected"},{"version":"Version 1709 for 32-bit Systems","status":"affect

Modified Analysis by NIST 10/28/2025 10:13:49 AM

Action Type Old Value New Value
Added Reference Type 
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174 Types: US Government Resource

CVE Modified by CISA-ADP 10/21/2025 8:16:26 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174

CVE Modified by CISA-ADP 10/21/2025 4:17:17 PM

Action Type Old Value New Value
Removed Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174

CVE Modified by CISA-ADP 10/21/2025 3:17:34 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174

Modified Analysis by NIST 4/08/2025 11:54:21 AM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Removed CVSS V3 
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Changed CPE Configuration 
OR
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
 *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
 *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*


 
OR
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
 *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
 *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*

CVE Modified by CISA-ADP 2/07/2025 12:15:12 PM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Added CWE 
CWE-787

CVE Modified by CVE 11/20/2024 11:13:24 PM

Action Type Old Value New Value
Added Reference 
http://www.securityfocus.com/bid/103998
Added Reference 
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
Added Reference 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
Added Reference 
https://www.exploit-db.com/exploits/44741/

CVE Modified by Microsoft Corporation 5/14/2024 1:27:31 AM

Action Type Old Value New Value

CWE Remap by NIST 8/24/2020 1:37:01 PM

Action Type Old Value New Value
Changed CWE 
CWE-119



CWE-787


Modified Analysis by NIST 2/28/2019 12:28:24 PM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*


 
OR
 *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
 *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
Changed Reference Type 
http://www.securityfocus.com/bid/103998 No Types Assigned


 
http://www.securityfocus.com/bid/103998 Third Party Advisory, VDB Entry

CVE Modified by Microsoft Corporation 8/21/2018 6:29:03 AM

Action Type Old Value New Value
Added Reference 
http://www.securityfocus.com/bid/103998 [No Types Assigned]

Initial Analysis by NIST 6/05/2018 10:02:44 AM

Action Type Old Value New Value
Added CVSS V3 
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Added CVSS V2 
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Added CWE 
CWE-119
Added CPE Configuration 
OR
 *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
Changed Reference Type 
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html No Types Assigned


 
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html Exploit, Technical Description, Third Party Advisory
Changed Reference Type 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174 No Types Assigned


 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174 Patch, Vendor Advisory
Changed Reference Type 
https://www.exploit-db.com/exploits/44741/ No Types Assigned


 
https://www.exploit-db.com/exploits/44741/ Exploit, Third Party Advisory, VDB Entry
Added CVSS V2 Metadata 
Victim must voluntarily interact with attack mechanism

CVE Modified by Microsoft Corporation 5/24/2018 9:29:02 PM

Action Type Old Value New Value
Added Reference 
https://www.exploit-db.com/exploits/44741/ [No Types Assigned]

CVE Modified by Microsoft Corporation 5/17/2018 9:29:05 PM

Action Type Old Value New Value
Added Reference 
https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2018-8174
NVD Published Date:
05/09/2018
NVD Last Modified:
06/16/2026
Source:
Microsoft Corporation