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    CVE-2016-7255

    The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

    Published:Nov 10, 2016
    Last Modified:Apr 22, 2026
    EPS:Nov 10, 2016
    EPSS Score:0.89359
    CVSS Score:7.8

    CISA Notification

    Description

    The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 1507
    Vendor
    Microsoft
    Product
    Windows 10 1511
    Vendor
    Microsoft
    Product
    Windows 10 1607
    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows 8.1
    Vendor
    Microsoft
    Product
    Windows Rt 8.1
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Server 2012
    Vendor
    Microsoft
    Product
    Windows Server 2016
    Vendor
    Microsoft
    Product
    Windows Vista

    Exploits

    http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.htmlhttps://github.com/mwrlabs/CVE-2016-7255https://www.exploit-db.com/exploits/40745/https://www.exploit-db.com/exploits/40823/https://www.exploit-db.com/exploits/41015/http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.htmlhttps://github.com/mwrlabs/CVE-2016-7255https://www.exploit-db.com/exploits/40745/https://www.exploit-db.com/exploits/40823/https://www.exploit-db.com/exploits/41015/https://www.exploit-db.com/exploits/40745https://github.com/bbolmin/cve-2016-7255_x86_x64https://github.com/FSecureLABS/CVE-2016-7255https://github.com/heh3/CVE-2016-7255https://github.com/homjxi0e/CVE-2016-7255https://github.com/yuvatia/page-table-exploitationhttps://www.exploit-db.com/exploits/40823https://www.exploit-db.com/exploits/41015

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
    http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
    http://www.securityfocus.com/bid/94064
    http://www.securitytracker.com/id/1037251
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
    https://github.com/mwrlabs/CVE-2016-7255
    https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
    https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
    https://www.exploit-db.com/exploits/40745/
    https://www.exploit-db.com/exploits/40823/
    https://www.exploit-db.com/exploits/41015/
    http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
    http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
    http://www.securityfocus.com/bid/94064
    http://www.securitytracker.com/id/1037251
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
    https://github.com/mwrlabs/CVE-2016-7255
    https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
    https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
    https://www.exploit-db.com/exploits/40745/
    https://www.exploit-db.com/exploits/40823/
    https://www.exploit-db.com/exploits/41015/
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7255

    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