CVE-2013-3893

Published Sep 18, 2013

Last updated 5 days ago

Exploit knownCVSS high 8.8
Microsoft
Internet Explorer

Overview

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.
Source
secure@microsoft.com
NVD status
Deferred
Products
internet_explorer

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
9.3
Impact score
10
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:C/I:C/A:C

Known exploits

Data from CISA

Vulnerability name
Microsoft Internet Explorer Resource Management Errors Vulnerability
Exploit added on
Aug 12, 2025
Exploit action due
Sep 2, 2025
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

nvd@nist.gov
CWE-399
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-416

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.