CVE-2026-80098
Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.
- Published Sep 3, 2026
- CVSS 10.0 critical
- 0.5% chance of exploitation in the next 30 days (EPSS)
Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.