PT-2026-58452 · Microsoft · Windows 10 Version 1607+12

Published

2026-07-14

Updated

2026-07-14

CVE-2026-50477

CVSS v3.1

8.8

High

Vector

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

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

Fix

Heap Based Buffer Overflow

Found an issue in the description? Have something to add? Feel free to write us 👾

CVE-2026-50477

Windows 10 Version 1607

Windows 10 Version 1809

Windows 10 Version 21H2

Windows 10 Version 22H2

Windows 11 Version 24H2

Windows 11 Version 25H2

Windows 11 Version 26H1

Windows Server 2012

Windows Server 2012 R2

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025