CVE-2018-8174
Microsoft Windows 7, Microsoft Windows Server 2012 R2, Microsoft Windows RT 8.1
Published 9 May 2018 · updated 13 Aug 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 15 Feb 2022, with a remediation deadline of 15 Aug 2022 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply updates per vendor instructions.
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.
References
- www.securityfocus.com/bid/103998 · Third Party Advisory, VDB Entry
- blog.0patch.com/2018/05/a-single-instruction-micropatch-for.html · Exploit, Technical Description, Third Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174 · Patch, Vendor Advisory
- www.exploit-db.com/exploits/44741/ · Exploit, Third Party Advisory, VDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174 · US Government Resource