Status: UPDATED | Advisory ID: CVE-2026-85885
| CVE | CVE-2026-85885 |
| CVSS Score / Version | 9.9 (Critical) / CVSS v3.1 |
| Updated | 2026-09-25 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Microsoft 365_copilot and Microsoft Microsoft 365 Copilot |
| Classified as | CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Microsoft | 365_copilot | ||
| Microsoft | Microsoft 365 Copilot |
| Subsystems | General OT |
| Sectors | Multiple |
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.