CVE-2010-0255
Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML...
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.
Exploit likelihood
What each source reports
NVD Score used
4.3
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.
- Record
CVE-2010-0255- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2010-0255- Updated
- 2026-11-02
EUVDEUVD-2010-0286 No score
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.
- Record
EUVD-2010-0286- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-93vc-2h9g-v2wq No score
Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not prevent rendering of non-HTML...
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.
- Record
GHSA-93vc-2h9g-v2wq- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-0255 is a medium vulnerability (CVSS 4.3) in Microsoft Internet Explorer, published February 4, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 36.9%, the 98th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/509345/100/0/threaded
support.avaya.com/css/P8/documents/100089747
osvdb.org/62156
securityfocus.com/bid/38055
microsoft.com/technet/security/advisory/980088.mspx
docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-035
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coresecurity.com/content/internet-explorer-dynamic-object-tag
us-cert.gov/cas/techalerts/TA10-159B.html
isc.sans.org/diary.html?n&storyid=8152
blogs.technet.com/msrc/archive/2010/02/03/security-advisory-980088-released.aspx
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7145
securityfocus.com/bid/38056
nvd.nist.gov/vuln/detail/CVE-2010-0255
github.com/advisories/GHSA-93vc-2h9g-v2wq