{"id":"CVE-2010-0491","aliases":["EUVD-2010-0522","GHSA-vjq2-qqgv-fxw5"],"status":"published","title":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote...","description":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka \"HTML Object 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":"2026-11-07","score":0.29284,"percentile":0.98187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2010-03-31T19:00:00Z","modified":"2026-06-16T23:16:16Z","products":[{"vendor":"microsoft","product":"internet_explorer"},{"vendor":"microsoft","product":"windows_2000"},{"vendor":"microsoft","product":"windows_2003_server"},{"vendor":"microsoft","product":"windows_server_2003"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8421","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securityfocus.com/bid/39027","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-089A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-068A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=864","tags":["third-party-advisory","x_refsource_IDEFENSE","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2010/0744","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Patch","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1023773","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0491"},{"url":"https://github.com/advisories/GHSA-vjq2-qqgv-fxw5"}],"sources":{"cve":[{"id":"CVE-2010-0491","description":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka \"HTML Object Memory Corruption Vulnerability.\"","status":"published","published":"2010-03-31T19:00:00Z","modified":"2024-08-07T00:52:18.817Z","updated_at":"2026-11-02T14:33:29.582233Z"}],"euvd":[{"id":"EUVD-2010-0522","description":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka \"HTML Object Memory Corruption Vulnerability.\"","status":"published","published":"2010-03-31T19:00:00Z","modified":"2024-08-07T00:52:18Z","updated_at":"2026-11-03T01:39:45.195177Z"}],"ghsa":[{"id":"GHSA-vjq2-qqgv-fxw5","title":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote...","description":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka \"HTML Object Memory Corruption Vulnerability.\"","status":"published","published":"2022-05-02T06:13:05Z","modified":"2023-02-01T05:00:33Z","updated_at":"2026-11-02T14:49:33.374495Z"}],"nvd":[{"id":"CVE-2010-0491","description":"Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka \"HTML Object Memory Corruption Vulnerability.\"","status":"published","published":"2010-03-31T19:30:00.467Z","modified":"2026-06-16T23:16:16.837Z","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-399"],"updated_at":"2026-11-02T14:01:43.639743Z"}]}}