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CVE-2018-8174Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability
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.
7.5 HIGHEPSS 88.24%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 7.6 | HIGH | 2.0NVD | AV:N/AC:H/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Aug 15, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2018-8174
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- May 9, 2018
- Last modified
- 2026-08-13 05:17 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 72 version ranges
- 32-bit Systems Service Pack 1
- x64-based Systems Service Pack 1
MicrosoftWindows Server 2012 R21 version range
- (Server Core installation)
MicrosoftWindows RT 8.11 version range
- Windows RT 8.1
MicrosoftWindows Server 20085 version ranges
- 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)
MicrosoftWindows Server 20121 version range
- (Server Core installation)
MicrosoftWindows 8.12 version ranges
- 32-bit systems
- x64-based systems
MicrosoftWindows Server 20161 version range
- (Server Core installation)
MicrosoftWindows Server 2008 R23 version ranges
- Itanium-Based Systems Service Pack 1
- x64-based Systems Service Pack 1
- x64-based Systems Service Pack 1 (Server Core installation)
MicrosoftWindows 1010 version ranges
- 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
MicrosoftWindows 10 Servers2 version ranges
- version 1709 (Server Core Installation)
- version 1803 (Server Core Installation)
References
- securityfocus.com http://www.securityfocus.com/bid/103998
- blog.0patch.com https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
- portal.msrc.microsoft.com https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
- exploit-db.com https://www.exploit-db.com/exploits/44741/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174