CVE-2025-59286
Copilot Information Disclosure Vulnerability
- State
- Published
- Severity
- 9.3 Critical
- Published
- Oct 9, 2025
- Updated
- Feb 26, 2026
- Reserved
- Sep 11, 2025
Description
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information 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:H/I:L/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected Products
| Product | Versions |
|---|---|
Microsoft 365 Copilot's Business ChatMicrosoft |
|
References
- Copilot Information Disclosure Vulnerabilityvendor-advisorypatch
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