CVE-2021-26900 – Windows Win32k Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26900
Windows Win32k Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios de Windows Win32k. Este ID de CVE es diferente de CVE-2021-26863, CVE-2021-26875, CVE-2021-27077 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 DirectComposition. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26900 https://www.zerodayinitiative.com/advisories/ZDI-21-331 • CWE-416: Use After Free •
CVE-2021-26899 – Windows UPnP Device Host Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26899
Windows UPnP Device Host Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios de UPnP Device Host de Windows • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26899 •
CVE-2021-26898 – Windows Event Tracing Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26898
Windows Event Tracing Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios de Event Tracing de Windows. Este ID de CVE es diferente de CVE-2021-26872, CVE-2021-26901 • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26898 •
CVE-2021-26892 – Windows Extensible Firmware Interface Security Feature Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2021-26892
Windows Extensible Firmware Interface Security Feature Bypass Vulnerability Una Vulnerabilidad de Omisión de la Característica de Seguridad del Extensible Firmware Interface de Windows 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 Windows kernel. The issue results from improper authorization logic when accessing files in the EFI partition. 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-2021-26892 https://www.zerodayinitiative.com/advisories/ZDI-21-330 •
CVE-2021-26890 – Application Virtualization Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-26890
Application Virtualization Remote Code Execution Vulnerability Una Vulnerabilidad de Ejecución de Código Remota de Application Virtualization • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26890 •