CVE-2006-2382

CVE-2006-2382 is a critical-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 49% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 49% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Microsoft Internet Explorer
• Published: 2006-06-13
• Last modified: 2026-06-16

Description

Heap-based buffer overflow in Microsoft Internet Explorer 5.01 SP4 and 6 SP1 and earlier allows remote attackers to execute arbitrary code via crafted UTF-8 encoded HTML that results in size discrepancies during conversion to Unicode, aka "HTML Decoding Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2006-2382?

Heap-based buffer overflow in Microsoft Internet Explorer 5.01 SP4 and 6 SP1 and earlier allows remote attackers to execute arbitrary code via crafted UTF-8 encoded HTML that results in size discrepancies during conversion to Unicode, aka "HTML Decoding Memory Corruption Vulnerability."

How severe is CVE-2006-2382?

CVE-2006-2382 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-2382 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-2382?

CVE-2006-2382 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-2382?

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-2006-2382 published?

CVE-2006-2382 was published on 2006-06-13 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/20595
• http://securitytracker.com/id?1016291
• http://www.kb.cert.org/vuls/id/136849
• http://www.osvdb.org/26443
• http://www.securityfocus.com/archive/1/436985/100/0/threaded
• http://www.securityfocus.com/bid/18309
• http://www.us-cert.gov/cas/techalerts/TA06-164A.html
• http://www.vupen.com/english/advisories/2006/2319
• http://www.zerodayinitiative.com/advisories/ZDI-06-017.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-021
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26766
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1414
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1621
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1752
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1862
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1906
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1931

Affected products (2)

• cpe:2.3:a:microsoft:internet_explorer:5.01:sp4:*:*:*:*:*:*
• cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*

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