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  2. Privilege escalation - Wikipedia

    en.wikipedia.org/wiki/Privilege_escalation

    The arrow represents a rootkit gaining access to the kernel, and the little gate represents normal privilege elevation, where the user has to enter an Administrator username and password. Privilege escalation is the act of exploiting a bug , a design flaw , or a configuration oversight in an operating system or software application to gain ...

  3. Protection ring - Wikipedia

    en.wikipedia.org/wiki/Protection_ring

    A host operating system kernel could use instructions with full privilege access (kernel mode), whereas applications running on the guest OS in a virtual machine or container could use the lowest level of privileges in user mode. The virtual machine and guest OS kernel could themselves use an intermediate level of instruction privilege to ...

  4. User Interface Privilege Isolation - Wikipedia

    en.wikipedia.org/wiki/User_Interface_Privilege...

    User Interface Privilege Isolation (UIPI) is a technology introduced in Windows Vista and Windows Server 2008 to combat shatter attack exploits. By making use of Mandatory Integrity Control , it prevents processes with a lower "integrity level" (IL) from sending messages to higher IL processes (except for a very specific set of UI messages).

  5. Next-Generation Secure Computing Base - Wikipedia

    en.wikipedia.org/wiki/Next-Generation_Secure...

    The Next-Generation Secure Computing Base (NGSCB; codenamed Palladium [1] and also known as Trusted Windows [2]) is a software architecture designed by Microsoft which claimed to provide users of the Windows operating system with better privacy, security, and system integrity.

  6. Security and safety features new to Windows Vista - Wikipedia

    en.wikipedia.org/wiki/Security_and_safety...

    Kernel-mode drivers on 64-bit versions of Windows Vista must be digitally signed; even administrators will not be able to install unsigned kernel-mode drivers. [20] A boot-time option is available to disable this check for a single session of Windows. 64-bit user-mode drivers are not required to be digitally signed.

  7. Shatter attack - Wikipedia

    en.wikipedia.org/wiki/Shatter_attack

    In computing, a shatter attack is a programming technique employed by hackers on Microsoft Windows operating systems to bypass security restrictions between processes in a session. A shatter attack takes advantage of a design flaw in Windows's message-passing system whereby arbitrary code could be injected into any other running application or ...

  8. User Account Control - Wikipedia

    en.wikipedia.org/wiki/User_Account_Control

    User Account Control (UAC) is a mandatory access control enforcement feature introduced with Microsoft's Windows Vista [1] and Windows Server 2008 operating systems, with a more relaxed [2] version also present in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 11 ...

  9. SMBGhost - Wikipedia

    en.wikipedia.org/wiki/SMBGhost

    Windows 10 version 1903 and 1909, and Server Core installations of Windows Server, versions 1903 and 1909 [5] SMBGhost (or SMBleedingGhost or CoronaBlue ) is a type of security vulnerability , with wormlike features, that affects Windows 10 computers and was first reported publicly on 10 March 2020.