Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
MSRC compact vulnerability detail
CVE-2026-40408 · Windows WAN ARP Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
Signals
Windows Kernel-Mode Drivers
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Description
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.