What’s Vulnerable › Vulnerabilities

CVE-2009-3671

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-12-09 · updated 2026-06-16
• Weakness: CWE-399

Description

Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-3674.

Affected products

• Microsoft Internet Explorer 11: 5.0.1-sp4, 6-sp1, 6, 7, 8
• Microsoft Windows 2000: all versions
• Microsoft Windows 7: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions
• Microsoft Ie: 8

References

• http://www.securitytracker.com/id?1023293
• http://www.us-cert.gov/cas/techalerts/TA09-342A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-072
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6382
• http://www.securitytracker.com/id?1023293
• http://www.us-cert.gov/cas/techalerts/TA09-342A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-072
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6382

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