{"id":"CVE-2010-0255","aliases":["EUVD-2010-0286","GHSA-93vc-2h9g-v2wq"],"status":"published","title":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML...","description":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.36917,"percentile":0.98521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2010-02-04T19:00:00Z","modified":"2026-06-16T23:15:48Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"http://www.securityfocus.com/archive/1/509345/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://support.avaya.com/css/P8/documents/100089747","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://osvdb.org/62156","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/bid/38055","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.microsoft.com/technet/security/advisory/980088.mspx","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-035","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.coresecurity.com/content/internet-explorer-dynamic-object-tag","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-159B.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://isc.sans.org/diary.html?n\u0026storyid=8152","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://blogs.technet.com/msrc/archive/2010/02/03/security-advisory-980088-released.aspx","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7145","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securityfocus.com/bid/38056","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0255"},{"url":"https://github.com/advisories/GHSA-93vc-2h9g-v2wq"}],"sources":{"cve":[{"id":"CVE-2010-0255","description":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.","status":"published","published":"2010-02-04T19:00:00Z","modified":"2024-08-07T00:45:11.22Z","updated_at":"2026-11-02T14:33:29.990758Z"}],"euvd":[{"id":"EUVD-2010-0286","description":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.","status":"published","published":"2010-02-04T19:00:00Z","modified":"2024-08-07T00:45:11Z","updated_at":"2026-11-03T01:39:45.66674Z"}],"ghsa":[{"id":"GHSA-93vc-2h9g-v2wq","title":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML...","description":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.","status":"published","published":"2022-05-02T06:11:15Z","modified":"2023-01-31T05:08:31Z","updated_at":"2026-11-02T14:49:24.756389Z"}],"nvd":[{"id":"CVE-2010-0255","description":"Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML local files as HTML documents, which allows remote attackers to bypass intended access restrictions and read arbitrary files via vectors involving JavaScript exploit code that constructs a reference to a file://127.0.0.1 URL, aka the dynamic OBJECT tag vulnerability, as demonstrated by obtaining the data from an index.dat file, a variant of CVE-2009-1140 and related to CVE-2008-1448.","status":"published","published":"2010-02-04T20:15:49.967Z","modified":"2026-06-16T23:15:48.193Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:40.249593Z"}]}}