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    CVE-2006-6456

    Unspecified vulnerability in Microsoft Word 2000, 2002, and 2003 and Word Viewer 2003 allows remote attackers to execute code via unspecified vectors related to malformed data structures that trigger memory corruption, a different vulnerability than CVE-2006-5994.

    Published:Dec 11, 2006
    Last Modified:Apr 23, 2026
    EPS:Dec 11, 2006
    EPSS Score:0.59649
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Word
    Vendor
    Microsoft
    Product
    Word Viewer
    Vendor
    Microsoft
    Product
    Works

    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-2026-78439 (CVSS 8.8) — Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code ov…
    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://archives.neohapsis.com/archives/fulldisclosure/2006-12/0199.html
    http://archives.neohapsis.com/archives/fulldisclosure/2006-12/0215.html
    http://blogs.technet.com/msrc/archive/2006/12/10/new-report-of-a-word-zero-day.aspx
    http://isc.sans.org/diary.php?storyid=1925
    http://secunia.com/advisories/23205
    http://securitytracker.com/id?1017358
    http://securitytracker.com/id?1017579
    http://vil.mcafeesecurity.com/vil/content/v_141056.htm
    http://vil.mcafeesecurity.com/vil/content/v_vul27249.htm
    http://www.kb.cert.org/vuls/id/166700
    http://www.osvdb.org/30825
    http://www.securityfocus.com/archive/1/454069/100/0/threaded
    http://www.securityfocus.com/archive/1/454072/100/0/threaded
    http://www.securityfocus.com/archive/1/454093/100/0/threaded
    http://www.securityfocus.com/bid/21518
    http://www.us-cert.gov/cas/techalerts/TA07-044A.html
    http://www.vupen.com/english/advisories/2006/4920
    http://www.vupen.com/english/advisories/2007/0435
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-014
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30806
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A746
    http://archives.neohapsis.com/archives/fulldisclosure/2006-12/0199.html
    http://archives.neohapsis.com/archives/fulldisclosure/2006-12/0215.html
    http://blogs.technet.com/msrc/archive/2006/12/10/new-report-of-a-word-zero-day.aspx
    http://isc.sans.org/diary.php?storyid=1925
    http://secunia.com/advisories/23205
    http://securitytracker.com/id?1017358
    http://securitytracker.com/id?1017579
    http://vil.mcafeesecurity.com/vil/content/v_141056.htm
    http://vil.mcafeesecurity.com/vil/content/v_vul27249.htm
    http://www.kb.cert.org/vuls/id/166700
    http://www.osvdb.org/30825
    http://www.securityfocus.com/archive/1/454069/100/0/threaded
    http://www.securityfocus.com/archive/1/454072/100/0/threaded
    http://www.securityfocus.com/archive/1/454093/100/0/threaded
    http://www.securityfocus.com/bid/21518
    http://www.us-cert.gov/cas/techalerts/TA07-044A.html
    http://www.vupen.com/english/advisories/2006/4920
    http://www.vupen.com/english/advisories/2007/0435
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-014
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30806
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A746

    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