CVEs / CVE-2013-3893
CVE-2013-3893: Microsoft Internet Explorer Resource Management Errors Vulnerability
- Known exploited in the CISA KEV catalog since 12 Aug 2025
- high 9.3 CVSS 2.0 (NVD)
- EPSS 87.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 12 Aug 2025 |
|---|---|
| Due date for US federal agencies | 2 Sep 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 2.0 | 9.3 highAV:N/AC:M/Au:N/C:C/I:C/A:CScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2013-3893 on NVD
- CVE-2013-3893 in the CISA KEV catalog
- https://learn.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080 (cited by CISA)
- 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
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.