CVE Watch—

CVE-2021-34523

Microsoft Exchange Server Privilege Escalation Vulnerability

CVSS

—

Sin CVSS

EPSS

100.0%

p100

KEV

SÍ

3 nov 2021

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

100.0%EPSS · 30 días100.0%

2026-06-302026-07-16

Ficha del catálogo KEV

Producto

Microsoft / Exchange Server

Vulnerabilidad

Microsoft Exchange Server Privilege Escalation Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Sí

Descripción resumida

Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-34523

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