CVE Watch—

CVE-2025-59287

Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability

CVSS

—

Sin CVSS

EPSS

100.0%

p100

KEV

SÍ

24 oct 2025

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

99.9%EPSS · 30 días100.0%

2026-08-022026-08-30

Ficha del catálogo KEV

Producto

Microsoft / Windows

Vulnerabilidad

Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability

Añadido a KEV

24 oct 2025

Remediar antes de

14 nov 2025

Uso conocido en ransomware

Descripción resumida

Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.

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/en-US/vulnerability/CVE-2025-59287 ; https://nvd.nist.gov/vuln/detail/CVE-2025-59287

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