PT-2026-58570 · Microsoft · 365 Apps For Enterprise+10

Publicado 2026-07-14 · Atualizado 2026-07-14 · CVE-2026-55127

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

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Correção

Heap Based Buffer Overflow

Enumeração de Fraquezas

CWE-122

Identificadores relacionados

CVE-2026-55127

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

Sharepoint Enterprise Server 2016

Sharepoint Server 2019

Sharepoint Server Subscription Edition

Word 2016

Referências · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55127 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-55127 · Nota de Segurança