# CVE-2013-3893

## Summary

- **CVE ID:** CVE-2013-3893
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 18, 2013
- **Last Modified:** Sep 16, 2026

## Description

Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html)
- [CNA](http://jvn.jp/en/jp/JVN27443259/index.html)
- [CNA](http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx)
- [CNA](http://www.securityfocus.com/bid/62453)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665)
- [CNA](http://www.us-cert.gov/ncas/alerts/TA13-288A)
- [CNA](http://technet.microsoft.com/security/advisory/2887505)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080)
- [CNA](http://pastebin.com/raw.php?i=Hx1L5gu6)
- [CNA](http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx)
- [CNA](http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3893)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 81.21%
- **EPSS Percentile:** 99.1

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Aug 12, 2025
- **Due Date:** Sep 2, 2025

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._