CVE-2017-11786

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    CVE-2017-11786

    Published: 13 Oct 2017Last Modified: 10 Mar 2026

    Summary:

    Details: Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere, due to how Skype for Business handles authentication requests, aka "Skype for Business Elevation of Privilege Vulnerability."

    References: , http://www.securityfocus.com/bid/101156, http://www.securitytracker.com/id/1039530, https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2017-11786 | CVE-DB