January 29, 2022. 02:06 PM. 5. A security researcher has publicly disclosed an exploit for a Windows local privilege elevation vulnerability that allows anyone to gain admin privileges in Windows
But This admin user has not the same rights as the Administrator user itself. Example 1: a file is owned by SYSTEM and the Administrators Group has full control. If I try to add permissions for a user to this file, it doesn't work for the admin user. With the Administrator is works without any problem.

Windows 10 and Windows 11 are vulnerable to a local elevation of privilege vulnerability after discovering that users with low privileges can access sensitive Registry database files. The Windows Registry acts as the configuration repository for the Windows operating system and contains hashed passwords, user customizations, configuration

Method 1: Start/restart your computer. Immediately hold F8 until you enter Advanced Boot Options. Choose Safe Mode so that your computer will boot into safe mode and get into the built-in administrator. Method 2: Once you type an incorrect password to log into administrator, you will be prompted " The user or password is incorrect ".
Open command prompt in administrator mode. Step 1: Click on the Windows Start button (in the top left corner). Step 2: Search for “cmd”. Step 3: Right-click on and run the command prompt as administrator. Note: To make sure that you do it exactly, please see the title of command prompt window. Make sure “administrator” is in the title.

Alternatively, you can click on Users under Local Users and Groups then double-click on the relevant account, then click on the Member Of tab. If you don't see Remote Desktop Users listed as one of the groups to which the account belongs, click on the Add button and then add Remote Desktop Users as a group to which the account belongs. Example

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get administrator rights windows 10