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CVE-2010-0491

9.3 · HIGH

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…

Published Mar 31, 2010microsoftCWE-399EPSS 29.28%

Overview

CVE-2010-0491 is a high-severity vulnerability affecting microsoft internet_explorer. It was published on March 31, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update internet_explorer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflabs.idefense.com/intelligence/vulnerabilities/display.php?id=864Refsecuritytracker.com/id?1023773Refwww.securityfocus.com/bid/39027Refwww.us-cert.gov/cas/techalerts/TA10-068A.htmlRefwww.us-cert.gov/cas/techalerts/TA10-089A.htmlRefwww.vupen.com/english/advisories/2010/0744Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8421Reflabs.idefense.com/intelligence/vulnerabilities/display.php?id=864Refsecuritytracker.com/id?1023773

How CyberStrike helps

Frequently asked questions

What is CVE-2010-0491?

CVE-2010-0491 is a high-severity vulnerability affecting microsoft internet_explorer. It was published on March 31, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2010-0491?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-0491?

Check the references section for vendor advisories and patches from microsoft. Update internet_explorer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-0491?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-0491 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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