CVE-2026-45497
Microsoft M365 Copilot Remote Code Execution Vulnerability
- State
- Published
- Severity
- 7.7 High
- Published
- Jun 4, 2026
- Updated
- Sep 24, 2026
- Reserved
- May 12, 2026
Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/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 CopilotMicrosoft |
|
References
- Microsoft M365 Copilot Remote Code Execution Vulnerabilityvendor-advisorypatch
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