CVE-2026-42980

Name of the Vulnerable Software and Affected Versions Windows 10 Version 1607

Description An integer underflow (wrap or wraparound) in the Windows NT OS Kernel occurs due to incorrect handling of integer values when forming data within the WMI (Windows Management Instrumentation) subsystem. This flaw leads to an out-of-bounds write in dynamic memory, allowing an authorized local attacker with standard user privileges to elevate their permissions to NT AUTHORITYSYSTEM level.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.