PT-2026-58519 · Microsoft · 365 Apps For Enterprise+7

Publicado 2026-07-14 · Atualizado 2026-07-14 · CVE-2026-54131

Mitre

CVSS v3.1

7.8

Alta

Vetor base

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

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Correção

Use After Free

Enumeração de Fraquezas

CWE-416

Identificadores relacionados

CVE-2026-54131

Produtos afetados

365 Apps For Enterprise

Office 2019

Office 365 For Mac

Office Ltsc 2021

Office Ltsc 2024

Office Ltsc For Mac 2021

Office Ltsc For Mac 2024

Office Online Server

Referências · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54131 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-54131 · Nota de Segurança