Unrated severityNVD Advisory· Published Feb 4, 2010· Updated Jun 16, 2026
CVE-2010-0255
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
- (no CPE)range: 5.01 SP4, 6, 6 SP1, 7, 8
Patches
Vulnerability mechanics
References
12- www.coresecurity.com/content/internet-explorer-dynamic-object-tagnvdExploit
- www.microsoft.com/technet/security/advisory/980088.mspxnvdVendor Advisory
- www.us-cert.gov/cas/techalerts/TA10-159B.htmlnvdUS Government Resource
- blogs.technet.com/msrc/archive/2010/02/03/security-advisory-980088-released.aspxnvd
- isc.sans.org/diary.htmlnvd
- osvdb.org/62156nvd
- support.avaya.com/css/P8/documents/100089747nvd
- www.securityfocus.com/archive/1/509345/100/0/threadednvd
- www.securityfocus.com/bid/38055nvd
- www.securityfocus.com/bid/38056nvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-035nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7145nvd
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