CVE-2018-8631 EXPLOIT
7.5
HIGH · CVSS 3.0 · EPSS 68.5% (pctl 99)
Patch early
A public exploit exists.
Description
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.
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 | 68.49% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-12-12 |
| Last modified | 2026-06-17 |
Affected (9)
| Vendor | Product |
|---|---|
| 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 |
| microsoft | windows server 2019 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Windows - 'jscript!JsArrayFunctionHeapSort' Out-of-Bounds Write | 2018-12-18 |
References
- http://www.securityfocus.com/bid/106118
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631
- https://www.exploit-db.com/exploits/46001/
- http://www.securityfocus.com/bid/106118
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631
- https://www.exploit-db.com/exploits/46001/
→ the Explorer · watch your stack · NVD