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    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:Dec 10, 2008
    Last Modified:Apr 23, 2026
    EPS:Dec 10, 2008
    EPSS Score:0.57487
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office Compatibility Pack For Word Excel Ppt 2007
    Vendor
    Microsoft
    Product
    Office Outlook
    Vendor
    Microsoft
    Product
    Office System
    Vendor
    Microsoft
    Product
    Office Word
    Vendor
    Microsoft
    Product
    Office Word Viewer
    Vendor
    Microsoft
    Product
    Open Xml File Format Converter
    Vendor
    Microsoft
    Product
    Works

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-70105 (CVSS 6.5) — Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information ove…
    CVE-2026-50387 (CVSS 7.8) — Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.…
    CVE-2026-45463 (CVSS 8.4) — Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code loc…
    CVE-2026-45461 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-45460 (CVSS 4.7) — Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.…
    CVE-2026-45474 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-45472 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-42832 (CVSS 7.7) — Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.…
    CVE-2026-40420 (CVSS 8.8) — Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.…

    References

    http://www.coresecurity.com/content/word-arbitrary-free
    http://www.coresecurity.com/files/attachments/CORE-2008-0228-Word.pdf
    http://www.securityfocus.com/archive/1/499086/100/0/threaded
    http://www.securitytracker.com/id?1021370
    http://www.us-cert.gov/cas/techalerts/TA08-344A.html
    http://www.vupen.com/english/advisories/2008/3384
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-072
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5934
    http://www.coresecurity.com/content/word-arbitrary-free
    http://www.coresecurity.com/files/attachments/CORE-2008-0228-Word.pdf
    http://www.securityfocus.com/archive/1/499086/100/0/threaded
    http://www.securitytracker.com/id?1021370
    http://www.us-cert.gov/cas/techalerts/TA08-344A.html
    http://www.vupen.com/english/advisories/2008/3384
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-072
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5934

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High