CVE-2026-56649 in Windows

Sumário

de MITRE • 14/07/2026

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Network File System allows an unauthorized attacker to execute code over a network.

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• Responsável: Microsoft
• Reservar: 22/06/2026
• Divulgação: 14/07/2026
• Moderação: aceite
• Entrada: VDB-378908
• CPE: pronto
• CWE: CWE-362 (confirmado)
• CVSS: 10.0 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo
• Sector: Homeoffice, Energy, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-56649
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-56649
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-56649/