CVE-2026-23005

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in guest XSAVE state whenever XFDi=1 When loading guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled features in the saved or to be restored XSTATEBV...

CVE-2019-7240

An issue was discovered in WinRing0x64.sys in Moo0 System Monitor 1.83. The vulnerable driver exposes a wrmsr instruction via IOCTL 0x9C402088 and does not properly filter the Model Specific Register MSR. Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges...

netOctopus Agent nantsys.sys MSR Write Local Privilege Escalation

netOctopus Agent, an asset management agent, is installed on the remote host. The installed version of netOctopus Agent includes a driver, named 'nantsys.sys', that exposes a device interface writable by all local users, allowing them to read and write arbitrary CPU Model Specific Registers MSRs....