CVE-2026-80098
Copilot Studio Elevation of Privilege Vulnerability
- State
- Published
- Severity
- 9.3 Critical
- Published
- Sep 3, 2026
- Updated
- Oct 31, 2026
- Reserved
- Aug 25, 2026
Description
Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.3 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-347 Improper Verification of Cryptographic Signature
Affected Products
| Product | Versions |
|---|---|
Microsoft Copilot StudioMicrosoft |
|
References
- Copilot Studio Elevation of Privilege Vulnerabilityvendor-advisorypatch
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