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    CVE-2008-1091

    Unspecified vulnerability in Microsoft Word in Office 2000 and XP SP3, 2003 SP2 and SP3, and 2007 Office System SP1 and earlier allows remote attackers to execute arbitrary code via a Rich Text Format (.rtf) file with a malformed string that triggers a "memory calculation error" and a heap-based buffer overflow, aka "Object Parsing Vulnerability."

    Published:May 13, 2008
    Last Modified:Apr 23, 2026
    EPS:May 13, 2008
    EPSS Score:0.64114
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office Compatibility Pack For Word Excel Ppt 2007
    Vendor
    Microsoft
    Product
    Word Viewer

    Exploits

    No exploit reference

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    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://marc.info/?l=bugtraq&m=121129490723574&w=2
    http://secunia.com/advisories/30143
    http://www.kb.cert.org/vuls/id/543907
    http://www.securityfocus.com/archive/1/492020/100/0/threaded
    http://www.securityfocus.com/bid/29104
    http://www.securitytracker.com/id?1020013
    http://www.us-cert.gov/cas/techalerts/TA08-134A.html
    http://www.vupen.com/english/advisories/2008/1504/references
    http://www.zerodayinitiative.com/advisories/ZDI-08-023
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-026
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5494
    http://marc.info/?l=bugtraq&m=121129490723574&w=2
    http://secunia.com/advisories/30143
    http://www.kb.cert.org/vuls/id/543907
    http://www.securityfocus.com/archive/1/492020/100/0/threaded
    http://www.securityfocus.com/bid/29104
    http://www.securitytracker.com/id?1020013
    http://www.us-cert.gov/cas/techalerts/TA08-134A.html
    http://www.vupen.com/english/advisories/2008/1504/references
    http://www.zerodayinitiative.com/advisories/ZDI-08-023
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-026
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5494

    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