CVE Watch10 de ago. de 2026

CVE-2021-36955

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

CVSS

7.8

Alta

EPSS

4.1%

p91

KEV

SIM

3 de nov. de 2021

Exploit Today

0-100

Publicado: 15 de set. de 2021 · Última mod.: 10 de ago. de 2026

EPSS · 30d

4.1%EPSS · 30 dias4.1%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

Microsoft / Windows

Vulnerabilidade

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

Adicionado ao KEV

3 de nov. de 2021

Corrigir até

17 de nov. de 2021

Uso conhecido em ransomware

Sim

Descrição resumida

Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

Ação necessária

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-36955

Descrição técnica

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Referências oficiais

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