{"cve":"CVE-2012-1539","nvd":{"published":"2012-11-14T00:55:01.200","modified":"2026-06-16T23:39:42.843","status":"Modified","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.\"","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-399","CWE-416"],"references":["http://secunia.com/advisories/51202","http://www.securityfocus.com/bid/56421","http://www.securitytracker.com/id?1027749","http://www.us-cert.gov/cas/techalerts/TA12-318A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-071"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-1539","score":0.2537,"percentile":0.97945,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}