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    CVE-2011-0980

    Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly parse Office Art objects, which allows remote attackers to execute arbitrary code via vectors related to a function pointer, aka "Excel Dangling Pointer Vulnerability."

    Published:Feb 10, 2011
    Last Modified:Apr 11, 2025
    EPS:Feb 10, 2011
    EPSS Score:0.62606
    CVSS Score:9.3

    Affected Products

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

    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-2026-85875 (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://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
    http://secunia.com/advisories/39122
    http://secunia.com/advisories/43210
    http://www.securitytracker.com/id?1025337
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0940
    http://zerodayinitiative.com/advisories/ZDI-11-040/
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12018
    http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
    http://secunia.com/advisories/39122
    http://secunia.com/advisories/43210
    http://www.securitytracker.com/id?1025337
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0940
    http://zerodayinitiative.com/advisories/ZDI-11-040/
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12018

    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