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    CVE-2004-0963

    Buffer overflow in Microsoft Word 2002 (10.6612.6714) SP3, and possibly other versions, allows remote attackers to cause a denial of service (application exception) and possibly execute arbitrary code in winword.exe via certain unexpected values in a .doc file, including (1) an offset that triggers an out-of-bounds memory access, (2) a certain value that causes a large memory copy as triggered by an integer conversion error, and other values.

    Published:Oct 20, 2004
    Last Modified:Apr 16, 2026
    EPS:Oct 20, 2004
    EPSS Score:0.4414
    CVSS Score:10

    Affected Products

    Vendor
    Microsoft
    Product
    Word

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-83949 (CVSS 5.5) — Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.…
    CVE-2026-83951 (CVSS 5.5) — Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.…
    CVE-2026-80090 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a net…
    CVE-2026-80085 (CVSS 8.8) — Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a net…
    CVE-2026-80080 (CVSS 8.8) — Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.…
    CVE-2026-78525 (CVSS 8.8) — Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.…
    CVE-2026-78520 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.…
    CVE-2026-78522 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a net…
    CVE-2026-78521 (CVSS 8.8) — Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a net…
    CVE-2026-80079 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a net…

    References

    http://marc.info/?l=bugtraq&m=109716247230733&w=2
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-023
    https://exchange.xforce.ibmcloud.com/vulnerabilities/17635
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1795
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2105
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2216
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A420
    http://marc.info/?l=bugtraq&m=109716247230733&w=2
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-023
    https://exchange.xforce.ibmcloud.com/vulnerabilities/17635
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1795
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2105
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2216
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A420

    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