PT-2026-58249 · Microsoft · Exchange Server 2016 Cumulative Update 23+3

Publicado 2026-07-14 · Atualizado 2026-07-14 · CVE-2026-55005

NVD

CVSS v3.1

8.8

Alta

Vetor base

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

Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

Correção

Heap Based Buffer Overflow

Enumeração de Fraquezas

CWE-122

Identificadores relacionados

CVE-2026-55005

Produtos afetados

Exchange Server 2016 Cumulative Update 23

Exchange Server 2019 Cumulative Update 14

Exchange Server 2019 Cumulative Update 15

Exchange Server Subscription Edition Rtm

Referências · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-55005 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55005 · Aviso do Fabricante