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    CVE-2011-0104

    Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted HLink record in an Excel file, aka "Excel Buffer Overwrite Vulnerability."

    Published:Apr 13, 2011
    Last Modified:Apr 11, 2025
    EPS:Apr 13, 2011
    EPSS Score:0.76878
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Excel
    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Open Xml File Format Converter

    Exploits

    https://www.exploit-db.com/exploits/35573https://github.com/Sunqiz/CVE-2011-0104-reproduction

    Related CVEs

    CVE-2026-85875 (CVSS 5.5) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.…
    CVE-2026-81948 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81950 (CVSS 7.8) — Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81949 (CVSS 7.8) — Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code local…
    CVE-2026-81953 (CVSS 7.8) — Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81959 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81951 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81388 (CVSS 7.8) — Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81957 (CVSS 7.8) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81395 (CVSS 5.5) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.…

    References

    http://osvdb.org/71761
    http://secunia.com/advisories/39122
    http://www.checkpoint.com/defense/advisories/public/2011/cpai-31-Mard.html
    http://www.securityfocus.com/bid/47245
    http://www.securitytracker.com/id?1025337
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0940
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11767
    http://osvdb.org/71761
    http://secunia.com/advisories/39122
    http://www.checkpoint.com/defense/advisories/public/2011/cpai-31-Mard.html
    http://www.securityfocus.com/bid/47245
    http://www.securitytracker.com/id?1025337
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0940
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11767

    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