CVE-2026-32195: Microsoft Windows 11 26h1

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft Windows 11 26h1: before 10.0.28000.1836 (fixed in 10.0.28000.1836)

Published 2026-04-14. Last modified 2026-06-17.