CVE-2010-0491

Name: CVE-2010-0491
Creator: NVD / NIST
Published: 2010-03-31T19:30:00.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 29.28%

Last modified Jun 16, 2026

CVE-2010-0491 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 29.28% chance of exploitation in the next 30 days.

Description

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."

Metrics

EPSS Probability

29.28%

97.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions	Update
Microsoft	Internet Explorer	6	—
Microsoft	Windows 2003 Server	All versions	Sp2
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Xp	All versions	Sp2
Microsoft	Internet Explorer	5.01	Sp4
Microsoft	Windows 2000	All versions	Sp4

References

Timeline

Published: Mar 31, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-0491?

How severe is CVE-2010-0491?

Severity scoring for CVE-2010-0491 is pending analysis. The EPSS model estimates a 29.28% probability of exploitation in the next 30 days.

How do I fix CVE-2010-0491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-0491?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST