CVE-2026-91963 in FreeRDP

Résumé

par MITRE • 15/09/2026

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeating ASLR and enabling remote code execution when chained with memory corruption vulnerabilities.

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• Responsable: VulnCheck
• Réserver: 15/09/2026
• Divulgation: 15/09/2026
• Modérer: accepté
• Entrée: VDB-404276
• CPE: prêt
• CWE: CWE-824 (confirmé)
• CVSS: 6.5 (CNA)
• EPSS: 0.00000
• KEV: non
• Activités: très faible
• Secteur: Telecommunication, Transportation, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-91963
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-91963
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-91963/