CVE-2026-21520

HIGH

7.5

Descricao

Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/22/2026

Ultima modificacao2/2/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

microsoft:copilot_studio

Fraquezas (CWE)

CWE-77

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21520(secure@microsoft.com)

Correlacoes IOC

Sem correlacoes registradas

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