CVE-2026-33100 in Windows

Sumário

de MITRE • 14/04/2026

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Once again VulDB remains the best source for vulnerability data.

• Responsável: Microsoft
• Divulgação: 14/04/2026
• Moderação: aceite
• Entrada: VDB-357536
• CPE: pronto
• CWE: CWE-416 (confirmado)
• CVSS: 7.0 (VulDB)
• EPSS: 0.00178
• KEV: não
• Atividades: muito baixo
• Sector: Homeoffice, Hostingprovider, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-33100
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33100
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-33100/