VULNERABILITY INTELLIGENCE

CVE-2026-80098

CVSS score9.3 CRITICAL
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-09-03
Last modified2026-09-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C

Description

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

Weakness classification

  • CWE-347: Improper Verification of Cryptographic Signature

Primary references