CVE Watch—

CVE-2026-21533

Microsoft Windows Improper Privilege Management Vulnerability

CVSS

—

Sin CVSS

EPSS

3.8%

p89

KEV

SÍ

10 feb 2026

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

3.8%EPSS · 30 días3.8%

2026-06-302026-07-17

Ficha del catálogo KEV

Producto

Microsoft / Windows

Vulnerabilidad

Microsoft Windows Improper Privilege Management Vulnerability

Añadido a KEV

10 feb 2026

Remediar antes de

3 mar 2026

Uso conocido en ransomware

Descripción resumida

Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally.

Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notas

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21533 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21533

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