Brunopujos

The issue is related to insufficient access control in the Win32k component of the Windows operating system. It allows an attacker to elevate their privileges. There is no information about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

The issue is related to an off-by-one heap-overflow vulnerability in the SVGA device, which can be exploited by a malicious actor with local access to a virtual machine with 3D graphics enabled, potentially allowing code execution on the hypervisor from a virtual machine. Exploitation requires additional conditions beyond the attacker's control. The vulnerability is also described as a buffer overflow in dynamic memory when processing SVGA3D commands.

The issue is related to a use-after-free vulnerability in the SVGA device, specifically when handling the SVGA DXInvalidateContext command. This vulnerability can be exploited by a malicious actor with local access to a virtual machine that has 3D graphics enabled, potentially allowing them to execute code on the hypervisor from the virtual machine.