{"cve":"CVE-2010-0255","nvd":{"published":"2010-02-04T20:15:49.967","modified":"2026-06-16T23:15:48.193","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://blogs.technet.com/msrc/archive/2010/02/03/security-advisory-980088-released.aspx","http://isc.sans.org/diary.html?n&storyid=8152","http://osvdb.org/62156","http://support.avaya.com/css/P8/documents/100089747","http://www.coresecurity.com/content/internet-explorer-dynamic-object-tag"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2010-0255","score":0.36917,"percentile":0.98511,"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."]}