CVE-2013-3893

high

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.

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080

http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html

http://jvn.jp/en/jp/JVN27443259/index.html

https://securityaffairs.com/181110/hacking/u-s-cisa-adds-microsoft-internet-explorer-microsoft-office-excel-and-winrar-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://thehackernews.com/2025/08/cisa-adds-two-n-able-n-central-flaws-to.html

https://www.cisa.gov/news-events/alerts/2025/08/12/cisa-adds-three-known-exploited-vulnerabilities-catalog

http://blogs.cisco.com/security/talos/threat-spotlight-group-72

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3893

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665

https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-3825

http://www.us-cert.gov/ncas/alerts/TA13-288A

http://www.securityfocus.com/bid/62453

http://technet.microsoft.com/security/advisory/2887505

http://pastebin.com/raw.php?i=Hx1L5gu6

http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html

http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx

http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx

Details

Source: Mitre, NVD

Published: 2013-09-18

Updated: 2026-06-16

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.87526