CVE-2026-21520

Copilot Studio Information Disclosure Vulnerability

CVSS 7.5 HIGHEPSS 1.4%CWE-77

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C/CR:H/IR:L/AR:L

Produtos afetados

Microsoft · Microsoft Copilot Studio

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Referências

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21520