CVE-2013-3893
KEVMicrosoft Internet Explorer Resource Management Errors Vulnerability
Description
Microsoft Internet Explorer contains a memory corruption vulnerability that allows for remote code execution. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
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 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedSep 18, 2013
Last modifiedJun 16, 2026
Added to KEVAug 12, 2025
Remediation dueSep 2, 2025
References
- blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspxExploit
- blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspxVendor Advisory
- jvn.jp/en/jp/JVN27443259/index.htmlThird Party Advisory
- jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.htmlThird Party Advisory
- packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.htmlExploit
- pastebin.com/raw.php?i=Hx1L5gu6Exploit
- technet.microsoft.com/security/advisory/2887505Vendor Advisory
- securityfocus.com/bid/62453Broken Link
- us-cert.gov/ncas/alerts/TA13-288AUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080Vendor Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665Broken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3893US Government Resource
0 recent articles mention this CVE
83
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 420 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 87.6% · top 1% of all CVEs
- Weakness
- CWE-416
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.