CVE Watch10 ago 2026

CVE-2021-33771

Microsoft Windows Kernel Privilege Escalation Vulnerability

CVSS

7.8

Alto

EPSS

10.2%

p96

KEV

SÍ

3 nov 2021

Exploit Today

0-100

Publicado: 14 jul 2021 · Última mod.: 10 ago 2026

EPSS · 30d

10.2%EPSS · 30 días10.2%

2026-09-172026-10-15

Ficha del catálogo KEV

Producto

Microsoft / Windows

Vulnerabilidad

Microsoft Windows Kernel Privilege Escalation Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Descripción resumida

Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-33771

Descripción técnica

Windows Kernel Elevation of Privilege Vulnerability

Referencias oficiales

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