Is CVE-2013-3893 actively exploited?

CVE-2013-3893 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2013-3893?

CVE-2013-3893 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2013-3893?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2013-3893.

Fix CVE-2013-3893 - HIGH microsoft internet explorer

Q: Which products are affected by CVE-2013-3893?

7 products: microsoft internet explorer, microsoft internet explorer, microsoft internet explorer, microsoft internet explorer, microsoft internet explorer, and 2 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-399 CWE-416 · Use After Free

Metadata

Primary Vendor: MICROSOFT
Published: 9/18/2013
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : internet_explorermicrosoft : internet_explorermicrosoft : internet_explorermicrosoft : internet_explorermicrosoft : internet_explorermicrosoft : internet_explorermicrosoft : internet_explorer

Remediation Guidance

Executive Summary

View on NIST NVD