CVE-2026-26129 in 365 Copilots Business Chat

Sumário

de MITRE • 08/05/2026

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

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• Responsável: Microsoft
• Reservar: 11/02/2026
• Divulgação: 08/05/2026
• Moderação: aceite
• Entrada: VDB-361963
• CPE: pronto
• CWE: CWE-138 (confirmado)
• CVSS: 7.5 (CNA)
• EPSS: 0.00056
• KEV: não
• Atividades: muito baixo
• Sector: Chemical, Hostingprovider, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-26129
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26129
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-26129/