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    CVE-2008-4020

    Cross-site scripting (XSS) vulnerability in Microsoft Office XP SP3 allows remote attackers to inject arbitrary web script or HTML via a document that contains a "Content-Disposition: attachment" header and is accessed through a cdo: URL, which renders the content instead of raising a File Download dialog box, aka "Vulnerability in Content-Disposition Header Vulnerability."

    Published:Oct 15, 2008
    Last Modified:Apr 23, 2026
    EPS:Oct 15, 2008
    EPSS Score:0.31298
    CVSS Score:4.3

    Affected Products

    Vendor
    Microsoft
    Product
    Office

    Exploits

    No exploit reference

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    CVE-2026-45463 (CVSS 8.4) — Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code loc…
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    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.…
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    References

    http://jvn.jp/en/jp/JVN55410403/index.html
    http://jvndb.jvn.jp/ja/contents/2008/JVNDB-2008-000070.html
    http://marc.info/?l=bugtraq&m=122479227205998&w=2
    http://secunia.com/advisories/32138
    http://www.securityfocus.com/bid/31693
    http://www.securitytracker.com/id?1021045
    http://www.us-cert.gov/cas/techalerts/TA08-288A.html
    http://www.vupen.com/english/advisories/2008/2807
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-056
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45546
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45550
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5969
    http://jvn.jp/en/jp/JVN55410403/index.html
    http://jvndb.jvn.jp/ja/contents/2008/JVNDB-2008-000070.html
    http://marc.info/?l=bugtraq&m=122479227205998&w=2
    http://secunia.com/advisories/32138
    http://www.securityfocus.com/bid/31693
    http://www.securitytracker.com/id?1021045
    http://www.us-cert.gov/cas/techalerts/TA08-288A.html
    http://www.vupen.com/english/advisories/2008/2807
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-056
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45546
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45550
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5969

    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