AEGLIX vulnerability intelligence
CVE-2013-3893
HIGH · CVSS 8.8 · Analyzed
Published: 2013-09-18 · Updated: 2026-06-16 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Internet Explorer
- Added to catalog
- 2025-08-12
- 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.
- CISA remediation due date
- 2025-09-02
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:11:developer-preview:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:11:release-preview:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
Exploit
- http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
Vendor Advisory
- http://jvn.jp/en/jp/JVN27443259/index.html
Third Party Advisory
- http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
Third Party Advisory
- http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
Exploit
- http://pastebin.com/raw.php?i=Hx1L5gu6
Exploit
- http://technet.microsoft.com/security/advisory/2887505
Vendor Advisory
- http://www.securityfocus.com/bid/62453
Broken Link
- http://www.us-cert.gov/ncas/alerts/TA13-288A
US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665
Broken Link
- http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
Exploit
- http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
Vendor Advisory
- http://jvn.jp/en/jp/JVN27443259/index.html
Third Party Advisory
- http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
Third Party Advisory
- http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
Exploit
- http://pastebin.com/raw.php?i=Hx1L5gu6
Exploit
- http://technet.microsoft.com/security/advisory/2887505
Vendor Advisory
- http://www.securityfocus.com/bid/62453
Broken Link
- http://www.us-cert.gov/ncas/alerts/TA13-288A
US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665
Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3893
US Government Resource