{"id":"CVE-2011-1260","aliases":["EUVD-2011-1268","GHSA-4hwx-98xh-r7rc"],"status":"published","title":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows...","description":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka \"Layout Memory Corruption 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":0.6733,"percentile":0.99311,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2011-06-16T20:21:00Z","modified":"2026-06-16T23:29:02Z","exploits":[{"source":"exploitdb","id":"EDB-17409","title":"Microsoft Internet Explorer - MSHTML!CObjectElement Use-After-Free (MS11-050) (Metasploit)","type":"remote","platform":"windows","date":"2011-06-17","verified":true,"url":"https://www.exploit-db.com/exploits/17409"},{"source":"metasploit","id":"exploit/windows/browser/ms11_050_mshtml_cobjectelement","title":"MS11-050 IE mshtml!CObjectElement Use After Free","type":"exploit","platform":"Windows","date":"2011-06-16","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/browser/ms11_050_mshtml_cobjectelement"}],"products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12308","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-050","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://securityreason.com/securityalert/8275","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1260"},{"url":"https://github.com/advisories/GHSA-4hwx-98xh-r7rc"}],"sources":{"cve":[{"id":"CVE-2011-1260","description":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka \"Layout Memory Corruption Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:21:33.939Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1268","description":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka \"Layout Memory Corruption Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:21:33Z","updated_at":"2026-11-03T01:55:57.223544Z"}],"ghsa":[{"id":"GHSA-4hwx-98xh-r7rc","title":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows...","description":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka \"Layout Memory Corruption Vulnerability.\"","status":"published","published":"2022-05-13T01:07:41Z","modified":"2023-02-01T05:03:07Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:50:01.019018Z"}],"nvd":[{"id":"CVE-2011-1260","description":"Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka \"Layout Memory Corruption Vulnerability.\"","status":"published","published":"2011-06-16T20:55:01.853Z","modified":"2026-06-16T23:29:02.407Z","cvss":[{"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-119"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}