PT-2026-58526 · Microsoft · Sharepoint Enterprise Server 2016+2

Publicado 2026-07-14 · Atualizado 2026-07-14 · CVE-2026-55021

NVD

CVSS v3.1

7.3

Alta

Vetor base

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

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Correção

XSS

Enumeração de Fraquezas

CWE-79

Identificadores relacionados

CVE-2026-55021

Produtos afetados

Sharepoint Enterprise Server 2016

Sharepoint Server 2019

Sharepoint Server Subscription Edition

Referências · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-55021 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55021 · Aviso do Fabricante