CVE-2021-26431 – Windows Recovery Environment Agent Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26431
Windows Recovery Environment Agent Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios en Windows Recovery Environment Agent This vulnerability allows physically present attackers to bypass authentication on affected installations of Microsoft Windows. Authentication is not required to exploit this vulnerability. The specific flaw exists within the lock screen. The issue results from the lack of proper access control prior to authentication. An attacker can leverage this vulnerability to bypass authentication on the system. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26431 https://www.zerodayinitiative.com/advisories/ZDI-21-1053 •
CVE-2021-26424 – Windows TCP/IP Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-26424
Windows TCP/IP Remote Code Execution Vulnerability Una Vulnerabilidad de Ejecución de Código Remota en Windows TCP/IP • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26424 •
CVE-2021-34536 – Storage Spaces Controller Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-34536
Storage Spaces Controller Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios en Storage Spaces Controller This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the storport.sys driver. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34536 • CWE-190: Integer Overflow or Wraparound •
CVE-2021-26426 – Windows User Account Profile Picture Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26426
Windows User Account Profile Picture Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios en Windows User Account This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the User Profile Service. By creating a directory junction, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26426 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •
CVE-2021-26425 – Windows Event Tracing Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26425
Windows Event Tracing Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios en Windows Event Tracing. Este CVE ID es diferente de CVE-2021-34486, CVE-2021-34487 This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of Event Tracing for Windows. By creating a directory junction, an attacker can abuse Event Tracing to overwrite a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26425 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •