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.

CVSS v3.1

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

CVSS v2.0

9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

85.93% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2025-08-12

Published

2013-09-18

Updated

2025-10-22

Proof-of-concept exploits (2)

• SkyBulk/the-day-of-nightmares18★ · 2019-05-03
• travelworld/cve_2013_3893_trigger.html0★ · 2013-10-15

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_setmousecaptu…

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/28682
• https://www.exploit-db.com/exploits/49872

References

• CVE Record
• NVD entry

Related

• CVE-2011-1260
• CVE-2018-5129
• CVE-2019-0539
• CVE-2013-3881
• CVE-2013-3896
• CVE-2013-3870