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TI-2013-03399 Aliases CVE-2013-3893GHSA-7jff-7vvq-8fxx

Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in…

Priority CRITICAL 97Exploited in the wildCWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2025-08-12CISA due date 2025-09-02
EPSS 0.87639 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*6VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*7VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*8VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*9VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*10VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:11:developer-preview:*:*:*:*:*:*11 developer-previewVulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:11:release-preview:*:*:*:*:*:*11 release-previewVulnerableMicrosoft
  • cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:11:developer-preview:*:*:*:*:*:* Versions 11 developer-preview Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:11:release-preview:*:*:*:*:*:* Versions 11 release-preview Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2025-08-12 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2013-3893
  3. 2026-10-03 Alias added: GHSA-7jff-7vvq-8fxx

References

Exploit 3

Advisory 6

Other 1

  • TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-01386 Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01340 Scripting Engine Memory Corruption Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
  • TI-2017-00204 Out-of-bounds write in Microsoft Internet Explorer KEVCVSS 3.1HIGH 8.8
See all 1634 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences