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    CVE-2007-4040

    Argument injection vulnerability involving Microsoft Outlook and Outlook Express, when certain URIs are registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in an unspecified URI, which are inserted into the command line when invoking the handling process, a similar issue to CVE-2007-3670.

    Published:Jul 27, 2007
    Last Modified:Apr 23, 2026
    EPS:Jul 27, 2007
    EPSS Score:0.12518
    CVSS Score:8.8

    Affected Products

    Vendor
    Microsoft
    Product
    Outlook
    Vendor
    Microsoft
    Product
    Outlook Express

    Exploits

    No exploit reference

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    CVE-2026-70329 (CVSS 8.8) — Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code ove…
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    CVE-2026-21260 (CVSS 7.5) — Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized …
    CVE-2025-49699 (CVSS 7) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
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    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