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    CVE-2017-8663

    Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, and Outlook 2016 as packaged in Microsoft Office allows a remote code execution vulnerability due to the way Microsoft Outlook parses specially crafted email messages, aka "Microsoft Office Outlook Memory Corruption Vulnerability"

    Published:Aug 1, 2017
    Last Modified:Apr 20, 2025
    EPS:Aug 1, 2017
    EPSS Score:0.1816
    CVSS Score:7.8

    Affected Products

    Vendor
    Microsoft
    Product
    Outlook

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-78519 (CVSS 8.8) — Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over…
    CVE-2026-69629 (CVSS 8.8) — Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a …
    CVE-2026-62882 (CVSS 4.3) — Insufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform sp…
    CVE-2026-70329 (CVSS 8.8) — Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code ove…
    CVE-2026-42893 (CVSS 7.4) — Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an …
    CVE-2026-26133 (CVSS 7.1) — AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.…
    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.…
    CVE-2025-47176 (CVSS 7.8) — '.../...//' in Microsoft Office Outlook allows an authorized attacker to execute code locally.…

    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