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CVE-2026-21521
HIGH7.4
Descricao
Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.
Detalhes CVE
Pontuacao CVSS v3.17.4
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioREQUIRED
Publicado1/22/2026
Ultima modificacao2/2/2026
Fontenvd
Avistamentos honeypot0
Produtos afetados
microsoft:365_word_copilot
Fraquezas (CWE)
CWE-150
Referencias
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21521(secure@microsoft.com)
Correlacoes IOC
Sem correlacoes registradas
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