How severe is CVE-2008-4024?

CVE-2008-4024 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-4024 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4024?

CVE-2008-4024 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-2008-4024?

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-2008-4024 published?

CVE-2008-4024 was published on 2008-12-10 and last updated on 2026-06-16.

CVE-2008-4024

CVE-2008-4024 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 29% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Office
Published: 2008-12-10
Last modified: 2026-06-16

Description

Microsoft Office Word 2000 SP3 and 2002 SP3 and Office 2004 for Mac allow remote attackers to execute arbitrary code via a Word document with a crafted lcbPlcfBkfSdt field in the File Information Block (FIB), which bypasses an initialization step and triggers an "arbitrary free," aka "Word Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2008-4024?: Microsoft Office Word 2000 SP3 and 2002 SP3 and Office 2004 for Mac allow remote attackers to execute arbitrary code via a Word document with a crafted lcbPlcfBkfSdt field in the File Information Block (FIB), which bypasses an initialization step and triggers an "arbitrary free," aka "Word Memory Corruption Vulnerability."
How severe is CVE-2008-4024?: CVE-2008-4024 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-4024 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4024?: CVE-2008-4024 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-2008-4024?: 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-2008-4024 published?: CVE-2008-4024 was published on 2008-12-10 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:2003:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:works:8.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_outlook:2007:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_outlook:2007:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2007:*:*:*:*:*:*:*

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