CVE Watch—

CVE-2025-21333

Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability

CVSS

—

Sem CVSS

EPSS

10.1%

p96

KEV

SIM

14 de jan. de 2025

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

10.0%EPSS · 30 dias10.1%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

Microsoft / Windows

Vulnerabilidade

Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability

Adicionado ao KEV

14 de jan. de 2025

Corrigir até

4 de fev. de 2025

Uso conhecido em ransomware

Não

Descrição resumida

Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges.

Ação necessária

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notas

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21333 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21333

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