How severe is CVE-2006-3647?

CVE-2006-3647 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2006-3647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3647?

CVE-2006-3647 primarily affects Microsoft Office. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3647?

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-2006-3647 published?

CVE-2006-3647 was published on 2006-10-10 and last updated on 2026-06-16.

CVE-2006-3647

CVE-2006-3647 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Microsoft Office
Published: 2006-10-10
Last modified: 2026-06-16

Description

Integer overflow in Microsoft Word 2000, 2002, 2003, 2004 for Mac, and v.X for Mac allows remote user-assisted attackers to execute arbitrary code via a crafted string in a Word document, which overflows a 16-bit integer length value, aka "Memmove Code Execution," a different vulnerability than CVE-2006-3651 and CVE-2006-4693.

Frequently asked questions

What is CVE-2006-3647?: Integer overflow in Microsoft Word 2000, 2002, 2003, 2004 for Mac, and v.X for Mac allows remote user-assisted attackers to execute arbitrary code via a crafted string in a Word document, which overflows a 16-bit integer length value, aka "Memmove Code Execution," a different vulnerability than CVE-2006-3651 and CVE-2006-4693.
How severe is CVE-2006-3647?: CVE-2006-3647 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-3647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3647?: CVE-2006-3647 primarily affects Microsoft Office. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3647?: 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-2006-3647 published?: CVE-2006-3647 was published on 2006-10-10 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:microsoft:office:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2000:*:*:ja:*:*:*:*
cpe:2.3:a:microsoft:office:2000:*:*:ko:*:*:*:*
cpe:2.3:a:microsoft:office:2000:*:*:zh:*:*:*:*
cpe:2.3:a:microsoft:office:2000:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2000:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2001:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2001:*:*:*:*:mac_os_x:*:*
cpe:2.3:a:microsoft:office:2001:sr1:*:*:*:mac_os_x:*:*
cpe:2.3:a:microsoft:office:2003:*:*:*:student_teacher:*:*:*
cpe:2.3:a:microsoft:office:2003:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2004:*:*:*:*:mac_os_x:*:*
cpe:2.3:a:microsoft:office:v.x:*:*:*:*:*:*:*

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