CVE-2026-25170

HIGH

Windows Hyper-V - Privilege Escalation

Title source: llm

Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVSS v3 7.0

EPSS 0.0003

EPSS Percentile 8.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416

Status published

microsoft/windows_11_23h2 < 10.0.22631.6783

microsoft/windows_11_24h2 < 10.0.26100.7979

microsoft/windows_11_25h2 < 10.0.26200.7979

microsoft/windows_11_26h1 < 10.0.28000.1719

microsoft/windows_server_2022 < 10.0.20348.4830

microsoft/windows_server_2022_23h2 < 10.0.25398.2207

microsoft/windows_server_2025 < 10.0.26100.32463

Published Mar 10, 2026

Tracked Since Mar 11, 2026