CVE-2026-20926

HIGH

7.5

Descricao

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado1/13/2026

Ultima modificacao1/16/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

microsoft:windows_10_1607microsoft:windows_10_1809microsoft:windows_10_21h2microsoft:windows_10_22h2microsoft:windows_11_23h2microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Fraquezas (CWE)

CWE-362

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20926(secure@microsoft.com)

Correlacoes IOC

Sem correlacoes registradas

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