CVE-2026-21231

HIGH

7.8

Descricao

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado2/10/2026

Ultima modificacao2/11/2026

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-2026-21231(secure@microsoft.com)

Correlacoes IOC

Sem correlacoes registradas

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