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.

Scoring

Severity

HIGH

CVSS base score

8.8

CVSS vector

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

EPSS probability

81.21%

CISA KEV

Known exploited vulnerability

Published

2013-09-18

Last modified

2026-09-16

Affected products

• n/a n/a

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