CVE-2026-20843 in Windows

Sumário

de MITRE • 13/01/2026

Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

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• Responsável: Microsoft
• Divulgação: 13/01/2026
• Moderação: aceite
• Entrada: VDB-340777
• CPE: pronto
• CWE: CWE-284 (confirmado)
• CVSS: 7.8 (CNA)
• EPSS: 0.03323
• KEV: não
• Atividades: muito baixo
• Sector: Homeoffice, Education, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-20843
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20843
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-20843/