CVE-2018-8355 EXPLOIT
7.5
HIGH · CVSS 3.0 · EPSS 68.2% (pctl 99)
Patch early
A public exploit exists.
Description
A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8353, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
Scoring
| CVSS | 7.5 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 68.24% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-08-15 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| microsoft | chakracore |
| microsoft | edge |
| microsoft | internet explorer |
| microsoft | windows 10 |
| 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 Edge Chakra JIT - 'localeCompare' Type Confusion | 2018-09-18 |
References
- http://www.securityfocus.com/bid/104978
- http://www.securitytracker.com/id/1041457
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
- https://www.exploit-db.com/exploits/45432/
- http://www.securityfocus.com/bid/104978
- http://www.securitytracker.com/id/1041457
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
- https://www.exploit-db.com/exploits/45432/
→ the Explorer · watch your stack · NVD