{"id":"CVE-2011-1999","aliases":["EUVD-2011-1993","GHSA-fcq9-gv39-5hfr"],"status":"published","title":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote...","description":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution 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":0.26738,"percentile":0.9804,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2011-10-12T01:00:00Z","modified":"2026-06-16T23:30:34Z","exploits":[{"source":"exploitdb","id":"EDB-36209","title":"Microsoft Internet Explorer 8 - Select Element Memory Corruption","type":"remote","platform":"windows","date":"2011-10-11","verified":true,"url":"https://www.exploit-db.com/exploits/36209"}],"products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12697","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Tool Signature"]},{"url":"http://www.securityfocus.com/bid/49964","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1999"},{"url":"https://github.com/advisories/GHSA-fcq9-gv39-5hfr"}],"sources":{"cve":[{"id":"CVE-2011-1999","description":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution Vulnerability.\"","status":"published","published":"2011-10-12T01:00:00Z","modified":"2024-08-06T22:46:00.967Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1993","description":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution Vulnerability.\"","status":"published","published":"2011-10-12T01:00:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.133107Z"}],"ghsa":[{"id":"GHSA-fcq9-gv39-5hfr","title":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote...","description":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution Vulnerability.\"","status":"published","published":"2022-05-13T01:03:27Z","modified":"2023-02-01T05:02:31Z","updated_at":"2026-11-02T14:49:56.179573Z"}],"nvd":[{"id":"CVE-2011-1999","description":"Microsoft Internet Explorer 8 does not properly allocate and access memory, which allows remote attackers to execute arbitrary code via vectors involving a \"dereferenced memory address,\" aka \"Select Element Remote Code Execution Vulnerability.\"","status":"published","published":"2011-10-12T02:52:43.737Z","modified":"2026-06-16T23:30:34.45Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}