CVE-2007-0947

CVE-2007-0947 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 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

Use-after-free vulnerability in Microsoft Internet Explorer 7 on Windows XP SP2, Windows Server 2003 SP1 or SP2, or Windows Vista allows remote attackers to execute arbitrary code via crafted HTML objects, resulting in accessing deallocated memory of CMarkup objects, aka the second of two "HTML Objects Memory Corruption Vulnerabilities" and a different issue than CVE-2007-0946.

Frequently asked questions

What is CVE-2007-0947?
Use-after-free vulnerability in Microsoft Internet Explorer 7 on Windows XP SP2, Windows Server 2003 SP1 or SP2, or Windows Vista allows remote attackers to execute arbitrary code via crafted HTML objects, resulting in accessing deallocated memory of CMarkup objects, aka the second of two "HTML Objects Memory Corruption Vulnerabilities" and a different issue than CVE-2007-0946.
How severe is CVE-2007-0947?
CVE-2007-0947 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-0947 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0947?
CVE-2007-0947 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-2007-0947?
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-2007-0947 published?
CVE-2007-0947 was published on 2007-05-08 and last updated on 2026-06-16.

References

Affected products (2)

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