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    CVE-2011-0978

    Stack-based buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via vectors related to an axis properties record, and improper incrementing of an array index, aka "Excel Array Indexing Vulnerability."

    Published:Feb 10, 2011
    Last Modified:Apr 11, 2025
    EPS:Feb 10, 2011
    EPSS Score:0.81355
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Excel
    Vendor
    Microsoft
    Product
    Excel Viewer
    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office Compatibility Pack

    Exploits

    https://www.exploit-db.com/exploits/17227

    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/43232
    http://securityreason.com/securityalert/8231
    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-11-042/
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12439
    http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
    http://secunia.com/advisories/39122
    http://secunia.com/advisories/43232
    http://securityreason.com/securityalert/8231
    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-11-042/
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12439

    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