CVE Catalog

CVE-2026-80098

CriticalCVSS 9.3
Published: Translated: NVD NIST

Summary

Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.

Risk Assessment

An attacker could exploit this vulnerability to gain unauthorized access to Copilot Studio features, potentially leading to data confidentiality and integrity breaches.

Recommendation

Apply patches from Microsoft and implement additional signature verification mechanisms in Copilot Studio.

Related vulnerabilities

Original NVD description (English source)

Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS