{"id":"CVE-2013-3918","published":"2013-11-12T14:35:11Z","modified":"2026-06-16T23:56:01Z","title":"Microsoft Windows Out-of-Bounds Write Vulnerability","vendor":"Microsoft","product":"Windows","tier":"core","eol":null,"description":{"text":"The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via a crafted web page that is accessed by Internet Explorer, as exploited in the wild in November 2013, aka \"InformationCardSigninHelper Vulnerability.\"","provenance":"source","from":"NVD"},"summary":{"text":"The InformationCardSigninHelper Class ActiveX control in icardie.dll, a component of Microsoft Windows, contains an out-of-bounds write flaw. An remote attacker can execute arbitrary code or cause a denial of service by luring a user to a crafted web page opened in Internet Explorer, which requires no authentication but does require user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:05:05Z"},"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":0.73693,"percentile":0.99471,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2025-10-06","dueDate":"2025-10-27","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://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 ; https://nvd.nist.gov/vuln/detail/CVE-2013-3918","provenance":"source"},"vulncheckKev":{"dateAdded":"2013-11-12","exploitedFirstSeen":"2013-11-12","ransomware":false,"evidence":[{"url":"https://www.cve.org/CVERecord?id=CVE-2013-3918","date":"2013-11-12"},{"url":"https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08064459/Equation_group_questions_and_answers.pdf","date":"2015-02-01"},{"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":"2025-10-06"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"references":[{"url":"http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx","tags":["Third Party Advisory"]},{"url":"http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/","tags":["Broken Link"]},{"url":"http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html","tags":["Third Party Advisory"]},{"url":"http://www.us-cert.gov/ncas/alerts/TA13-317A","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090","tags":["Patch","Vendor Advisory"]},{"url":"https://isc.sans.edu/forums/diary/16985","tags":["Third Party Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089","tags":["Broken Link","Third Party Advisory"]},{"url":"http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx","tags":["Third Party Advisory"]},{"url":"http://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/","tags":["Broken Link"]},{"url":"http://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.html","tags":["Third Party Advisory"]},{"url":"http://www.us-cert.gov/ncas/alerts/TA13-317A","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090","tags":["Patch","Vendor Advisory"]},{"url":"https://isc.sans.edu/forums/diary/16985","tags":["Third Party Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089","tags":["Broken Link","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918","tags":["US Government Resource"]},{"url":"https://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targeted-attack-using-ie-vulnerability-cve-2013-3918/","tags":["Vendor Advisory"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: Drive-by via crafted web page in browser","mappingType":"uncategorized","evidence":[{"from":"description","quote":"via a crafted web page that is accessed by Internet Explorer","start":387,"end":447}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: Arbitrary code execution via ActiveX control","mappingType":"uncategorized","evidence":[{"from":"description","quote":"allows remote attackers to execute arbitrary code","start":286,"end":335}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1499","name":"Endpoint Denial of Service","tactics":["impact"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: Denial of service through out-of-bounds write","mappingType":"uncategorized","evidence":[{"from":"description","quote":"or cause a denial of service (out-of-bounds write)","start":336,"end":386}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[{"id":"SRC-6455ab6c9917b3700d6d","title":"Version: 1.5","publisher":"media.kasperskycontenthub.com","url":"https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08064459/Equation_group_questions_and_answers.pdf","date":null,"mentions":[{"quote":"• CVE-2013-3918 (Internet Explorer).","start":14575,"end":14611},{"quote":"An interesting case is the use of CVE-2013-3918, which was originally used","start":14955,"end":15029}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2013-3850","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-3850","exploited":true,"exploitedSince":"2025-10-06","provenance":"source"},"exploits":[{"id":29857,"url":"https://www.exploit-db.com/exploits/29857","title":"Microsoft Internet Explorer - CardSpaceClaimCollection ActiveX Integer Underflow (MS13-090) (Metasploit)","type":"remote","platform":"windows","date":"2013-11-27","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2013-11-27"},"metasploit":[{"name":"MS13-090 CardSpaceClaimCollection ActiveX Integer Underflow","module":"exploit/windows/browser/ms13_090_cardspacesigninhelper","type":"exploit","disclosureDate":"2013-11-08","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms13_090_cardspacesigninhelper.rb"}],"first":{"date":"2013-11-08","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms13_090_cardspacesigninhelper.rb"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"related","techniques":["T1189","T1203","T1499"],"provenance":"source"}],"timeline":[{"date":"2013-11-08","kind":"exploit-public","label":"First public exploit: Metasploit; later: Exploit-DB 2013-11-27","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms13_090_cardspacesigninhelper.rb","provenance":"source"},{"date":"2013-11-12","kind":"published","label":"Published 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