CVE-2018-8373 KEV
7.5
HIGH · CVSS 3.1 · EPSS 61.9% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-04-15.
Description
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
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 | 61.91% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-04-15 |
| Public exploit | none known |
| Published | 2018-08-15 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Scripting Engine Memory Corruption Vulnerability |
|---|---|
| Added | 2022-03-25 |
| Due | 2022-04-15 |
| Vendor / product | Microsoft / Internet Explorer Scripting Engine |
| Ransomware use | none reported |
Affected (12)
| Vendor | Product |
|---|---|
| microsoft | internet explorer |
| microsoft | windows 10 1507 |
| 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 |
References
- http://www.securityfocus.com/bid/105037
- http://www.securitytracker.com/id/1041483
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373
- http://www.securityfocus.com/bid/105037
- http://www.securitytracker.com/id/1041483
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8373
→ the Explorer · watch your stack · NVD