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    CVE-2011-1227

    win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."

    Published:Apr 13, 2011
    Last Modified:Apr 11, 2025
    EPS:Apr 13, 2011
    EPSS Score:0.00845
    CVSS Score:7.2

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 2003 Server
    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows Server 2003
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Vista
    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

    Related CVEs

    CVE-2015-2416 (CVSS 5) — OLE in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1…
    CVE-2015-2371 (CVSS 6.9) — The Windows Installer service in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Serv…
    CVE-2015-2367 (CVSS 2.1) — win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Wind…
    CVE-2015-2364 (CVSS 7.2) — The graphics component in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008…
    CVE-2015-2370 (CVSS 7.2) — The authentication implementation in the RPC subsystem in Microsoft Windows Server 2003 SP2 and R2 SP2, Window…
    CVE-2015-2417 (CVSS 5) — OLE in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1…
    CVE-2015-2363 (CVSS 7.2) — win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Wind…
    CVE-2015-2365 (CVSS 7.2) — win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Wind…
    CVE-2015-2374 (CVSS 3.3) — The Netlogon service in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Server 2008 SP2 and R2 SP1, and …
    CVE-2015-2369 (CVSS 6.9) — Untrusted search path vulnerability in Windows Media Device Manager in Microsoft Windows Server 2003 SP2, Wind…

    References

    http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
    http://osvdb.org/71732
    http://secunia.com/advisories/44156
    http://support.avaya.com/css/P8/documents/100133352
    http://www.securityfocus.com/bid/47227
    http://www.securitytracker.com/id?1025345
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0952
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66409
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12681
    http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
    http://osvdb.org/71732
    http://secunia.com/advisories/44156
    http://support.avaya.com/css/P8/documents/100133352
    http://www.securityfocus.com/bid/47227
    http://www.securitytracker.com/id?1025345
    http://www.us-cert.gov/cas/techalerts/TA11-102A.html
    http://www.vupen.com/english/advisories/2011/0952
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66409
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12681

    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