PT-2026-58220 · Microsoft · Windows 10 Version 1607+10

Publicado 2026-07-14 · Atualizado 2026-07-14 · CVE-2026-54109

NVD

CVSS v3.1

7.8

Alta

Vetor base

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

Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

Correção

Integer Overflow

Heap Based Buffer Overflow

Enumeração de Fraquezas

CWE-190

CWE-122

Identificadores relacionados

CVE-2026-54109

Produtos afetados

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 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025

Referências · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54109 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-54109 · Nota de Segurança