CVE-2026-20844

HIGH

7.4

Descricao

Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.

Detalhes CVE

Pontuacao CVSS v3.17.4

SeveridadeHIGH

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/13/2026

Ultima modificacao1/15/2026

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_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Fraquezas (CWE)

CWE-362CWE-416

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20844(secure@microsoft.com)

Correlacoes IOC

Sem correlacoes registradas

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