{"id":"CVE-2017-0059","published":"2017-03-17T00:59:01Z","modified":"2026-06-17T00:56:59Z","title":"Microsoft Internet Explorer Information Disclosure Vulnerability","vendor":"Microsoft","product":"Internet Explorer","tier":"core","eol":{"product":"Internet Explorer","since":"2022-06-15","note":"No security updates; remove it."},"description":{"text":"Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka \"Internet Explorer Information Disclosure Vulnerability.\" This vulnerability is different from those described in CVE-2017-0008 and CVE-2017-0009.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an information disclosure vulnerability in Microsoft Internet Explorer versions 9 through 11, which allows sensitive data to be read from process memory. An attacker can exploit it remotely by luring a user to a crafted web site, requiring no authentication but depending on the user visiting that site.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:12:17Z"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.61968,"percentile":0.99173,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-03-28","dueDate":"2022-04-18","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2017-0059","provenance":"source"},"vulncheckKev":{"dateAdded":"2017-08-30","exploitedFirstSeen":"2017-08-30","ransomware":false,"evidence":[{"url":"https://www.threatstop.com/blog/bi-weekly-security-update-8/18/2017-0","date":"2017-08-30"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-03-28"}],"evidenceTotal":2,"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-200","name":"Exposure of Sensitive Information to an Unauthorized Actor"}],"references":[{"url":"http://www.securityfocus.com/bid/96645","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1038008","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0059","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/41661/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/42354/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/43125/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/96645","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1038008","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0059","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/41661/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/42354/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/43125/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0059","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: drive-by via crafted website visit","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allow remote attackers to obtain sensitive information from process memory via a crafted web site","start":41,"end":138}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1005","name":"Data from Local System","tactics":["collection"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: reads sensitive data from process memory","mappingType":"primary_impact","evidence":[{"from":"description","quote":"obtain sensitive information from process memory","start":67,"end":115}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2017-0426","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-0426","exploited":true,"exploitedSince":"2022-03-28","provenance":"source"},"exploits":[{"id":41661,"url":"https://www.exploit-db.com/exploits/41661","title":"Microsoft Internet Explorer 11 - 'textarea.defaultValue' Memory Disclosure (MS17-006)","type":"dos","platform":"windows","date":"2017-03-20","verified":true,"provenance":"source"},{"id":42354,"url":"https://www.exploit-db.com/exploits/42354","title":"Microsoft Internet Explorer - 'mshtml.dll' Remote Code Execution (MS17-007)","type":"remote","platform":"windows_x86-64","date":"2017-07-24","verified":false,"provenance":"source"},{"id":43125,"url":"https://www.exploit-db.com/exploits/43125","title":"Microsoft Internet Explorer 11 (Windows 7 x86) - 'mshtml.dll' Remote Code Execution (MS17-007)","type":"remote","platform":"windows_x86","date":"2017-10-17","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":3,"earliest":"2017-03-20"},"first":{"date":"2017-03-20","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/41661"},"provenance":"source"},"exploitRefs":["https://www.exploit-db.com/exploits/41661/","https://www.exploit-db.com/exploits/42354/","https://www.exploit-db.com/exploits/43125/"],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1005"],"provenance":"ai"}],"timeline":[{"date":"2017-03-17","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0059","provenance":"source"},{"date":"2017-03-20","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-41661)","url":"https://www.exploit-db.com/exploits/41661","provenance":"source"},{"date":"2017-08-30","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.threatstop.com/blog/bi-weekly-security-update-8/18/2017-0","provenance":"source"},{"date":"2022-03-28","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-03-28","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-0426","provenance":"source"}],"speed":{"daysToPublicExploit":3,"firstExploitFrom":"Exploit-DB","daysToKev":1837},"priority":{"score":50.8,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 3347 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.83,"detail":"percentile 0.9917"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit; 3 Exploit-DB entries"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":3.01,"detail":"base score 4.3"},{"name":"End-of-life product","points":-15.0,"detail":"No patches exist; remove or isolate it"}]},"lineage":{"familyId":"fam-class-microsoft-internet-explorer-cwe-200"}}