CVE-2026-45203: Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host k
Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.
A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-45203
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-45203 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Kernel software installed
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-45196: Kernel software installed and running inside a Host VM may post improper commands to the GPU F…nvd · 2026-07-10
- unknownCVE-2026-41154: Software installed and run as a non-privileged user may cause OOB kernel memory reads or write…nvd · 2026-07-10
- highCVE-2026-45195: Kernel software installed and running inside a Host VM may post improper commands to the GPU F…nvd · 2026-06-26
More from NVD Recent CVEs
- unknownCVE-2026-57828: The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload t…2026-07-11
- unknownCVE-2026-57827: The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that al…2026-07-11
- highCVE-2026-1359: The Genolve – AI image AI video generation plugin for WordPress is vulnerable to unauthorized m…2026-07-11
- highCVE-2026-9282: The W3 Total Cache plugin for WordPress is vulnerable to Directory Traversal in all versions up…2026-07-11
- mediumCVE-2026-9017: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to autho…2026-07-11