CVE 3 CVE-2026-8501: Arbitrary Process Termination in PCTCore64.sys Jun 2, 2026 CVE-2026-3609: PPL-Bypassing Handle Leak in XIGNCODE3 (xhunter1.sys) May 12, 2026 CVE-2025-52915: A BYOVD Evolution Story Sep 3, 2025