ZDI-CAN-28189 HIGH 7.5 Overdue Dec 09, 2025

Microsoft

Microsoft has a high-severity vulnerability (CVSS 7.5) that requires local access and high-level privileges to exploit, but delivers significant impact across confidentiality, integrity, and availability. The attack cannot be performed remotely and does not require user interaction, making it a concern primarily for privileged insider threats or attackers with system-level access. Security teams should monitor for suspicious activity from high-privileged accounts and prioritize patching once Microsoft releases a fix by the April 8, 2026 deadline.

Advisory Details
Researcher Discovered by: fastfail
Reported December 09, 2025
Deadline April 08, 2026 9d overdue
CVSS Vector AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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