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CVE-2013-0020

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute...

9.3 High

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CMarkup Use After Free Vulnerability."

Exploit likelihood

28.3%Down 11.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CMarkup Use After Free Vulnerability."

Record
CVE-2013-0020
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CMarkup Use After Free Vulnerability."

Record
CVE-2013-0020
Updated
2026-11-02
EUVDEUVD-2013-0063 No score

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CMarkup Use After Free Vulnerability."

Record
EUVD-2013-0063
Updated
2026-11-03
GitHub AdvisoriesGHSA-g4x9-r23c-m2qj No score

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute...

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer CMarkup Use After Free Vulnerability."

Record
GHSA-g4x9-r23c-m2qj
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-0020 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published February 13, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 28.3%, the 98th percentile. No source names a fixed version.

References

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