CVE-2018-8174
Published 2018-05-09 · Updated 2026-08-13 · Source secure@microsoft.com
Summary
CVE-2018-8174 is a high-severity (CVSS 7.5) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on February 15, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by August 15, 2022. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →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.
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Windows
Name: Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability
Date added: 2022-02-15 · Due: 2022-08-15
Required action: Apply updates per vendor instructions.
References
- http://www.securityfocus.com/bid/103998
- https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
- https://www.exploit-db.com/exploits/44741/
- http://www.securityfocus.com/bid/103998
- https://blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174
- https://www.exploit-db.com/exploits/44741/