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    CVE-2011-1886

    win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

    Published:Jul 13, 2011
    Last Modified:Apr 11, 2025
    EPS:Jul 13, 2011
    EPSS Score:0.00361
    CVSS Score:2.1

    Affected Products

    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://osvdb.org/73791
    http://secunia.com/advisories/45186
    http://support.avaya.com/css/P8/documents/100144947
    http://www.securityfocus.com/bid/48607
    http://www.securitytracker.com/id?1025761
    http://www.us-cert.gov/cas/techalerts/TA11-193A.html
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778
    http://osvdb.org/73791
    http://secunia.com/advisories/45186
    http://support.avaya.com/css/P8/documents/100144947
    http://www.securityfocus.com/bid/48607
    http://www.securitytracker.com/id?1025761
    http://www.us-cert.gov/cas/techalerts/TA11-193A.html
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778

    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