CVE-2026-34344 in Windows

Sumário

de MITRE • 12/05/2026

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

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• Responsável: Microsoft
• Divulgação: 12/05/2026
• Moderação: aceite
• Entrada: VDB-363151
• CPE: pronto
• CWE: CWE-843 (confirmado)
• CVSS: 7.8 (VulDB)
• EPSS: 0.00126
• KEV: não
• Atividades: muito baixo
• Sector: Homeoffice, Education, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-34344
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34344
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-34344/