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Known vulnerabilities in Microsoft Copilot Studio

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CVE Summary Score Published
CVE-2026-80098 Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges… 9.3 Critical Sep 3, 2026
CVE-2026-21520 Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view… 7.5 High Jan 22, 2026
CVE-2024-49038 Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an… 9.3 Critical Nov 26, 2024
CVE-2024-43610 Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view… 7.4 High Oct 9, 2024
CVE-2024-38206 An authenticated attacker can bypass Server-Side Request Forgery (SSRF) protection in Microsoft Copilot Studio to leak… 8.5 High Aug 6, 2024

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