# CVE-2013-3893

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.

- Page: https://www.vulneraibility.com/cve/CVE-2013-3893
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2025-08-12; CISA due date 2025-09-02
- EPSS: 87.64%
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module (first 2013-10-02)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-08-12)
- Weakness: CWE-416
- Published: 2013-09-18

## Affected

- microsoft:internet_explorer

## References

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

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.