CVE-2026-20877

HIGH

7.8

Descripcion

Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

Detalles CVE

Puntuacion CVSS v3.17.8

SeveridadHIGH

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

Vector de ataqueLOCAL

ComplejidadHIGH

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado1/13/2026

Ultima modificacion1/15/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

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

Debilidades (CWE)

CWE-362CWE-416

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20877(secure@microsoft.com)

Correlaciones IOC

Sin correlaciones registradas

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