CRITICAL 9.3 NVD

CVE-2026-80098

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

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

References

Published: 2026-09-03 · Source: NVD · Feed updated: 2026-09-04
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-09-03 via NVD.

Risk Timeline

CVE Disclosed2026-09-03 · 0 days ago

Remediation Resources

Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80098
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