{"id":"CVE-2012-1539","aliases":["EUVD-2012-1557","GHSA-8h3g-5w8f-55gv"],"status":"published","title":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute...","description":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka \"CTreePos Use After Free Vulnerability.\"","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.2537,"percentile":0.97957,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399","CWE-416"],"published":"2012-11-14T00:00:00Z","modified":"2026-06-16T23:39:42Z","products":[{"vendor":"microsoft","product":"ie"},{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15886","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027749","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-071","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securityfocus.com/bid/56421","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/51202","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA12-318A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1539"},{"url":"https://github.com/advisories/GHSA-8h3g-5w8f-55gv"}],"sources":{"cve":[{"id":"CVE-2012-1539","description":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka \"CTreePos Use After Free Vulnerability.\"","status":"published","published":"2012-11-14T00:00:00Z","modified":"2024-10-21T16:49:21.204Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:34:52.27879Z"}],"euvd":[{"id":"EUVD-2012-1557","description":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka \"CTreePos Use After Free Vulnerability.\"","status":"published","published":"2012-11-14T00:00:00Z","modified":"2024-10-21T16:49:21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:23.140259Z"}],"ghsa":[{"id":"GHSA-8h3g-5w8f-55gv","title":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute...","description":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka \"CTreePos Use After Free Vulnerability.\"","status":"published","published":"2022-05-13T01:15:38Z","modified":"2024-10-21T18:30:43Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:58:33.735007Z"}],"nvd":[{"id":"CVE-2012-1539","description":"Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka \"CTreePos Use After Free Vulnerability.\"","status":"published","published":"2012-11-14T00:55:01.2Z","modified":"2026-06-16T23:39:42.843Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399","CWE-416"],"updated_at":"2026-11-02T14:02:16.536025Z"}]}}