CVE-2026-46655

A flaw was found in virtio-win. A low-integrity process can issue an IOCTL request to viosock.sys!VIOSockSelect with a maliciously crafted request that causes an integer overflow. This allows the process to circumvent bounds checking, resulting in a heap overflow in the NonPagedPool kernel heap...

Linux Distros Unpatched Vulnerability : CVE-2026-46655

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Red Hat Enterprise Linux - virtio-win: viosock.sys: integer overflow in VIOSockSelect leads to heap-based buffer overflow CVE-2026-46655 Note that Nessus relies...