CVE-2006-5579

CVE-2006-5579 is a critical-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Microsoft Internet Explorer 6 allows remote attackers to execute arbitrary code by using JavaScript to cause certain errors simultaneously, which results in the access of previously freed memory, aka "Script Error Handling Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2006-5579?
Microsoft Internet Explorer 6 allows remote attackers to execute arbitrary code by using JavaScript to cause certain errors simultaneously, which results in the access of previously freed memory, aka "Script Error Handling Memory Corruption Vulnerability."
How severe is CVE-2006-5579?
CVE-2006-5579 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-5579 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5579?
CVE-2006-5579 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5579?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-5579 published?
CVE-2006-5579 was published on 2006-12-12 and last updated on 2026-06-16.

References

Affected products (1)

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