CVE-2018-8174 KEV EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 88.3% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-08-15.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 88.33% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-08-15 |
| Public exploit | yes |
| Published | 2018-05-09 |
| Last modified | 2026-08-13 |
CISA KEV
| Name | Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability |
|---|---|
| Added | 2022-02-15 |
| Due | 2022-08-15 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | known |
Affected (10)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1607 |
| microsoft | windows 10 1703 |
| microsoft | windows 10 1709 |
| microsoft | windows 10 1803 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Internet Explorer 11 (Windows 7 x86/x64) - vbscript Code Execution | 2018-05-21 |
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/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8174
→ the Explorer · watch your stack · NVD