CVE-2025-33073
Microsoft Windows SMB Client Improper Access Control Vulnerability
CVSS
—
Sem CVSS
EPSS
82.7%
p100
KEV
SIM
20 de out. de 2025
Exploit Today
80
0-100
Publicado: — · Última mod.: —
Produto
Microsoft / Windows
Vulnerabilidade
Microsoft Windows SMB Client Improper Access Control Vulnerability
Adicionado ao KEV
20 de out. de 2025
Corrigir até
10 de nov. de 2025
Uso conhecido em ransomware
Não
Descrição resumida
Microsoft Windows SMB Client contains an improper access control vulnerability that could allow for privilege escalation. An attacker could execute a specially crafted malicious script to coerce the victim machine to connect back to the attack system using SMB and authenticate.
Ação necessária
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/advisory/CVE-2025-33073 ; https://nvd.nist.gov/vuln/detail/CVE-2025-33073