Home/CVE/Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute ar
CVE

CVE-2010-0491

Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute ar

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.".

HIGH · CVSS 9.3 EPSS 0.62369
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  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
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Affected Products & Versions

5
microsoft internet explorerall versions
microsoft windows 2003 serverall versions
microsoft windows server 2003all versions
microsoft windows xpall versions
microsoft windows 2000all versions
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Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumInternet Explorer DisableFirstRunCustomize Enabled
productmediumInternet Explorer Autorun Keys Modification
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Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD31 Mar 2010 · 07:30 PM
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References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=864
http://securitytracker.com/id?1023773
http://www.securityfocus.com/bid/39027Patch
http://www.us-cert.gov/cas/techalerts/TA10-068A.htmlUS Government Resource
http://www.us-cert.gov/cas/techalerts/TA10-089A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2010/0744PatchVendor Advisory
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