CVE-2006-4534

CVE-2006-4534 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Unspecified vulnerability in Microsoft Word 2000, 2002, and Office 2003 allows remote user-assisted attackers to execute arbitrary code via unspecified vectors involving a crafted file resulting in a malformed stack, as exploited by malware with names including Trojan.Mdropper.Q, Mofei, and Femo.

Frequently asked questions

What is CVE-2006-4534?
Unspecified vulnerability in Microsoft Word 2000, 2002, and Office 2003 allows remote user-assisted attackers to execute arbitrary code via unspecified vectors involving a crafted file resulting in a malformed stack, as exploited by malware with names including Trojan.Mdropper.Q, Mofei, and Femo.
How severe is CVE-2006-4534?
CVE-2006-4534 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-4534 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4534?
CVE-2006-4534 primarily affects Microsoft Office. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4534?
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-2006-4534 published?
CVE-2006-4534 was published on 2006-09-05 and last updated on 2026-06-16.

References

Affected products (14)

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