PT-2026-112901 · Microsoft · Windows 11 Version 23H2+5

CVE-2026-88071

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Fix

Double Free

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Weakness Enumeration

CWE-415

Related Identifiers

CVE-2026-88071

Affected Products

Windows 11 Version 23H2
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H2
Windows Server 2022
Windows Server 2025