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."

Published: 2008-12-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4024 is rated High Risk (66.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 28.88%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-4024

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 57.49% 28.88% -28.61%
2 2025-05-01 59.78% 57.49% -2.30%
3 2025-03-30 — 59.78% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4024

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-4024

Affected software / configurations for CVE-2008-4024

Vendor Product Version Raw CPE
microsoft office 2004 cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
microsoft office 2008 cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
microsoft office_compatibility_pack_for_word_excel_ppt_2007 — cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:*:*:*:*:*:*:*
microsoft office_compatibility_pack_for_word_excel_ppt_2007 — cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:sp1:*:*:*:*:*:*
microsoft office_word_viewer 2003 cpe:2.3:a:microsoft:office_word_viewer:2003:*:*:*:*:*:*:*
microsoft office_word_viewer 2003 cpe:2.3:a:microsoft:office_word_viewer:2003:sp3:*:*:*:*:*:*
microsoft open_xml_file_format_converter — cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
microsoft works 8.0 cpe:2.3:a:microsoft:works:8.0:*:*:*:*:*:*:*
microsoft office_outlook 2007 cpe:2.3:a:microsoft:office_outlook:2007:*:*:*:*:*:*:*
microsoft office_outlook 2007 cpe:2.3:a:microsoft:office_outlook:2007:sp1:*:*:*:*:*:*
microsoft office_word 2000 cpe:2.3:a:microsoft:office_word:2000:sp3:*:*:*:*:*:*
microsoft office_word 2002 cpe:2.3:a:microsoft:office_word:2002:sp3:*:*:*:*:*:*
microsoft office_word 2003 cpe:2.3:a:microsoft:office_word:2003:sp3:*:*:*:*:*:*
microsoft office_word 2007 cpe:2.3:a:microsoft:office_word:2007:*:*:*:*:*:*:*

References for CVE-2008-4024

cvelogic Threat Intelligence