{"id":"CVE-2013-3893","published":"2013-09-18T10:08:24Z","modified":"2026-06-16T23:55:58Z","title":"Microsoft Internet Explorer Resource Management Errors Vulnerability","vendor":"Microsoft","product":"Internet Explorer","tier":"core","eol":{"product":"Internet Explorer","since":"2022-06-15","note":"No security updates; remove it."},"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"A use-after-free flaw in the SetMouseCapture implementation in mshtml.dll, the rendering component of Microsoft Internet Explorer 6 through 11, allows code to be executed via crafted JavaScript strings. A remote attacker can exploit it without authentication by getting a user to interact with malicious content, such as opening a page that uses an ms-help: URL to trigger loading of hxds.dll, to achieve arbitrary code execution.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:10:20Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.87639,"percentile":0.99758,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2025-08-12","dueDate":"2025-09-02","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://learn.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080 ; https://nvd.nist.gov/vuln/detail/CVE-2013-3893","provenance":"source"},"vulncheckKev":{"dateAdded":"2013-09-21","exploitedFirstSeen":"2013-09-21","ransomware":false,"evidence":[{"url":"https://web.archive.org/web/20130924130243/https://www.fireeye.com/blog/technical/cyber-exploits/2013/09/operation-deputydog-zero-day-cve-2013-3893-attack-against-japanese-targets.html","date":"2013-09-21"},{"url":"https://www.recordedfuture.com/hidden-lynx-analysis/","date":"2014-05-01"},{"url":"https://blog.talosintelligence.com/2014/10/threat-spotlight-group-72.html","date":"2014-10-14"},{"url":"https://www.virusbulletin.com/virusbulletin/2020/05/vb2019-paper-apt-cases-exploiting-vulnerabilities-regionspecific-software/#ref3","date":"2020-05-01"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2025-08-12"},{"url":"https://www.recordedfuture.com/blog/august-2025-cve-landscape","date":"2025-09-15"},{"url":"https://www.rapid7.com/cdn/assets/bltbd2f1cd70f9e3e7f/691360b9c91291146f1a5308/threat-landscape-report-q3-2025.pdf","date":"2025-11-12"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"}],"evidenceTotal":8,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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